Home / 8,084.20-11,155.68-4,547.50

Finding the Fourth Proportional to 8,084.20, 11,155.68 and 4,547.50

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Solution

The fourth proportional to 8,084.20, 11,155.68 and 4,547.50 is: 6,275.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.20 : 11,155.68 = 4,547.50 : x
  2. Step 2: Convert to fraction form
    8,084.20/11,155.68 = 4,547.50/x
  3. Step 3: Cross multiply
    8,084.20x = 11,155.68 × 4,547.50
  4. Step 4: Simplify right side
    8,084.20x = 50,730,454.80
  5. Step 5: Solve for x
    x = 50,730,454.80/8,084.20
  6. Step 6: Final answer
    x = 6,275.26

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.