Home / 4,120.25-6,180.32-1,000.29

Finding the Fourth Proportional to 4,120.25, 6,180.32 and 1,000.29

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Solution

The fourth proportional to 4,120.25, 6,180.32 and 1,000.29 is: 1,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.25 : 6,180.32 = 1,000.29 : x
  2. Step 2: Convert to fraction form
    4,120.25/6,180.32 = 1,000.29/x
  3. Step 3: Cross multiply
    4,120.25x = 6,180.32 × 1,000.29
  4. Step 4: Simplify right side
    4,120.25x = 6,182,103.21
  5. Step 5: Solve for x
    x = 6,182,103.21/4,120.25
  6. Step 6: Final answer
    x = 1,500.42

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,121.25, 6,181.82 and 1,001.29
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.