Home / 4,120.59-6,180.80-1,000.61

Finding the Fourth Proportional to 4,120.59, 6,180.80 and 1,000.61

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Solution

The fourth proportional to 4,120.59, 6,180.80 and 1,000.61 is: 1,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.59 : 6,180.80 = 1,000.61 : x
  2. Step 2: Convert to fraction form
    4,120.59/6,180.80 = 1,000.61/x
  3. Step 3: Cross multiply
    4,120.59x = 6,180.80 × 1,000.61
  4. Step 4: Simplify right side
    4,120.59x = 6,184,562.08
  5. Step 5: Solve for x
    x = 6,184,562.08/4,120.59
  6. Step 6: Final answer
    x = 1,500.89

Related Problems

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Half scale
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Double scale
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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.