Home / 8,564.28-11,818.62-5,423.04

Finding the Fourth Proportional to 8,564.28, 11,818.62 and 5,423.04

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Solution

The fourth proportional to 8,564.28, 11,818.62 and 5,423.04 is: 7,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.28 : 11,818.62 = 5,423.04 : x
  2. Step 2: Convert to fraction form
    8,564.28/11,818.62 = 5,423.04/x
  3. Step 3: Cross multiply
    8,564.28x = 11,818.62 × 5,423.04
  4. Step 4: Simplify right side
    8,564.28x = 64,092,849.00
  5. Step 5: Solve for x
    x = 64,092,849.00/8,564.28
  6. Step 6: Final answer
    x = 7,483.74

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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.