Home / 8,725.31-13,050.98-5,920.47

Finding the Fourth Proportional to 8,725.31, 13,050.98 and 5,920.47

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Solution

The fourth proportional to 8,725.31, 13,050.98 and 5,920.47 is: 8,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.31 : 13,050.98 = 5,920.47 : x
  2. Step 2: Convert to fraction form
    8,725.31/13,050.98 = 5,920.47/x
  3. Step 3: Cross multiply
    8,725.31x = 13,050.98 × 5,920.47
  4. Step 4: Simplify right side
    8,725.31x = 77,267,905.96
  5. Step 5: Solve for x
    x = 77,267,905.96/8,725.31
  6. Step 6: Final answer
    x = 8,855.61

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1.5x scale

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.