Home / 9,113.28-13,670.40-2,957.44

Finding the Fourth Proportional to 9,113.28, 13,670.40 and 2,957.44

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Solution

The fourth proportional to 9,113.28, 13,670.40 and 2,957.44 is: 4,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.28 : 13,670.40 = 2,957.44 : x
  2. Step 2: Convert to fraction form
    9,113.28/13,670.40 = 2,957.44/x
  3. Step 3: Cross multiply
    9,113.28x = 13,670.40 × 2,957.44
  4. Step 4: Simplify right side
    9,113.28x = 40,429,387.78
  5. Step 5: Solve for x
    x = 40,429,387.78/9,113.28
  6. Step 6: Final answer
    x = 4,436.32

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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.