Home / 8,475.13-12,715.36-3,799.07

Finding the Fourth Proportional to 8,475.13, 12,715.36 and 3,799.07

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Solution

The fourth proportional to 8,475.13, 12,715.36 and 3,799.07 is: 5,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.13 : 12,715.36 = 3,799.07 : x
  2. Step 2: Convert to fraction form
    8,475.13/12,715.36 = 3,799.07/x
  3. Step 3: Cross multiply
    8,475.13x = 12,715.36 × 3,799.07
  4. Step 4: Simplify right side
    8,475.13x = 48,306,460.14
  5. Step 5: Solve for x
    x = 48,306,460.14/8,475.13
  6. Step 6: Final answer
    x = 5,699.79

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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.