Home / 8,287.79-12,433.84-5,021.87

Finding the Fourth Proportional to 8,287.79, 12,433.84 and 5,021.87

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Solution

The fourth proportional to 8,287.79, 12,433.84 and 5,021.87 is: 7,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.79 : 12,433.84 = 5,021.87 : x
  2. Step 2: Convert to fraction form
    8,287.79/12,433.84 = 5,021.87/x
  3. Step 3: Cross multiply
    8,287.79x = 12,433.84 × 5,021.87
  4. Step 4: Simplify right side
    8,287.79x = 62,441,053.36
  5. Step 5: Solve for x
    x = 62,441,053.36/8,287.79
  6. Step 6: Final answer
    x = 7,534.11

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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.