Home / 8,392.89-12,587.38-3,710.36

Finding the Fourth Proportional to 8,392.89, 12,587.38 and 3,710.36

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Solution

The fourth proportional to 8,392.89, 12,587.38 and 3,710.36 is: 5,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.89 : 12,587.38 = 3,710.36 : x
  2. Step 2: Convert to fraction form
    8,392.89/12,587.38 = 3,710.36/x
  3. Step 3: Cross multiply
    8,392.89x = 12,587.38 × 3,710.36
  4. Step 4: Simplify right side
    8,392.89x = 46,703,711.26
  5. Step 5: Solve for x
    x = 46,703,711.26/8,392.89
  6. Step 6: Final answer
    x = 5,564.68

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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.