Home / 8,710.18-12,020.31-5,125.41

Finding the Fourth Proportional to 8,710.18, 12,020.31 and 5,125.41

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Solution

The fourth proportional to 8,710.18, 12,020.31 and 5,125.41 is: 7,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.18 : 12,020.31 = 5,125.41 : x
  2. Step 2: Convert to fraction form
    8,710.18/12,020.31 = 5,125.41/x
  3. Step 3: Cross multiply
    8,710.18x = 12,020.31 × 5,125.41
  4. Step 4: Simplify right side
    8,710.18x = 61,609,017.08
  5. Step 5: Solve for x
    x = 61,609,017.08/8,710.18
  6. Step 6: Final answer
    x = 7,073.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.