Home / 6,479.31-8,937.95-5,353.59

Finding the Fourth Proportional to 6,479.31, 8,937.95 and 5,353.59

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Solution

The fourth proportional to 6,479.31, 8,937.95 and 5,353.59 is: 7,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.31 : 8,937.95 = 5,353.59 : x
  2. Step 2: Convert to fraction form
    6,479.31/8,937.95 = 5,353.59/x
  3. Step 3: Cross multiply
    6,479.31x = 8,937.95 × 5,353.59
  4. Step 4: Simplify right side
    6,479.31x = 47,850,092.97
  5. Step 5: Solve for x
    x = 47,850,092.97/6,479.31
  6. Step 6: Final answer
    x = 7,385.06

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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.