Home / 9,531.28-14,297.28-2,605.78

Finding the Fourth Proportional to 9,531.28, 14,297.28 and 2,605.78

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Solution

The fourth proportional to 9,531.28, 14,297.28 and 2,605.78 is: 3,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.28 : 14,297.28 = 2,605.78 : x
  2. Step 2: Convert to fraction form
    9,531.28/14,297.28 = 2,605.78/x
  3. Step 3: Cross multiply
    9,531.28x = 14,297.28 × 2,605.78
  4. Step 4: Simplify right side
    9,531.28x = 37,255,566.28
  5. Step 5: Solve for x
    x = 37,255,566.28/9,531.28
  6. Step 6: Final answer
    x = 3,908.77

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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.