Home / 4,078.13-6,117.20-1,000.13

Finding the Fourth Proportional to 4,078.13, 6,117.20 and 1,000.13

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Solution

The fourth proportional to 4,078.13, 6,117.20 and 1,000.13 is: 1,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.13 : 6,117.20 = 1,000.13 : x
  2. Step 2: Convert to fraction form
    4,078.13/6,117.20 = 1,000.13/x
  3. Step 3: Cross multiply
    4,078.13x = 6,117.20 × 1,000.13
  4. Step 4: Simplify right side
    4,078.13x = 6,117,995.24
  5. Step 5: Solve for x
    x = 6,117,995.24/4,078.13
  6. Step 6: Final answer
    x = 1,500.20

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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.