Home / 8,507.31-11,732.24-5,319.59

Finding the Fourth Proportional to 8,507.31, 11,732.24 and 5,319.59

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Solution

The fourth proportional to 8,507.31, 11,732.24 and 5,319.59 is: 7,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.31 : 11,732.24 = 5,319.59 : x
  2. Step 2: Convert to fraction form
    8,507.31/11,732.24 = 5,319.59/x
  3. Step 3: Cross multiply
    8,507.31x = 11,732.24 × 5,319.59
  4. Step 4: Simplify right side
    8,507.31x = 62,410,727.21
  5. Step 5: Solve for x
    x = 62,410,727.21/8,507.31
  6. Step 6: Final answer
    x = 7,336.13

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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.