Home / 5,335.61-8,001.36-3,687.15

Finding the Fourth Proportional to 5,335.61, 8,001.36 and 3,687.15

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Solution

The fourth proportional to 5,335.61, 8,001.36 and 3,687.15 is: 5,529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.61 : 8,001.36 = 3,687.15 : x
  2. Step 2: Convert to fraction form
    5,335.61/8,001.36 = 3,687.15/x
  3. Step 3: Cross multiply
    5,335.61x = 8,001.36 × 3,687.15
  4. Step 4: Simplify right side
    5,335.61x = 29,502,230.70
  5. Step 5: Solve for x
    x = 29,502,230.70/5,335.61
  6. Step 6: Final answer
    x = 5,529.31

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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.