Home / 10,265.28-15,388.02-4,722.42

Finding the Fourth Proportional to 10,265.28, 15,388.02 and 4,722.42

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Solution

The fourth proportional to 10,265.28, 15,388.02 and 4,722.42 is: 7,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.28 : 15,388.02 = 4,722.42 : x
  2. Step 2: Convert to fraction form
    10,265.28/15,388.02 = 4,722.42/x
  3. Step 3: Cross multiply
    10,265.28x = 15,388.02 × 4,722.42
  4. Step 4: Simplify right side
    10,265.28x = 72,668,693.41
  5. Step 5: Solve for x
    x = 72,668,693.41/10,265.28
  6. Step 6: Final answer
    x = 7,079.08

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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.