Home / 8,677.40-13,016.10-3,130.93

Finding the Fourth Proportional to 8,677.40, 13,016.10 and 3,130.93

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Solution

The fourth proportional to 8,677.40, 13,016.10 and 3,130.93 is: 4,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.40 : 13,016.10 = 3,130.93 : x
  2. Step 2: Convert to fraction form
    8,677.40/13,016.10 = 3,130.93/x
  3. Step 3: Cross multiply
    8,677.40x = 13,016.10 × 3,130.93
  4. Step 4: Simplify right side
    8,677.40x = 40,752,497.97
  5. Step 5: Solve for x
    x = 40,752,497.97/8,677.40
  6. Step 6: Final answer
    x = 4,696.40

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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.