Home / 8,887.28-13,329.60-5,590.28

Finding the Fourth Proportional to 8,887.28, 13,329.60 and 5,590.28

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Solution

The fourth proportional to 8,887.28, 13,329.60 and 5,590.28 is: 8,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.28 : 13,329.60 = 5,590.28 : x
  2. Step 2: Convert to fraction form
    8,887.28/13,329.60 = 5,590.28/x
  3. Step 3: Cross multiply
    8,887.28x = 13,329.60 × 5,590.28
  4. Step 4: Simplify right side
    8,887.28x = 74,516,196.29
  5. Step 5: Solve for x
    x = 74,516,196.29/8,887.28
  6. Step 6: Final answer
    x = 8,384.59

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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.