Home / 8,252.38-11,384.04-5,419.34

Finding the Fourth Proportional to 8,252.38, 11,384.04 and 5,419.34

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Solution

The fourth proportional to 8,252.38, 11,384.04 and 5,419.34 is: 7,475.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.38 : 11,384.04 = 5,419.34 : x
  2. Step 2: Convert to fraction form
    8,252.38/11,384.04 = 5,419.34/x
  3. Step 3: Cross multiply
    8,252.38x = 11,384.04 × 5,419.34
  4. Step 4: Simplify right side
    8,252.38x = 61,694,032.12
  5. Step 5: Solve for x
    x = 61,694,032.12/8,252.38
  6. Step 6: Final answer
    x = 7,475.91

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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.