Home / 8,537.95-12,812.61-2,991.29

Finding the Fourth Proportional to 8,537.95, 12,812.61 and 2,991.29

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Solution

The fourth proportional to 8,537.95, 12,812.61 and 2,991.29 is: 4,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.95 : 12,812.61 = 2,991.29 : x
  2. Step 2: Convert to fraction form
    8,537.95/12,812.61 = 2,991.29/x
  3. Step 3: Cross multiply
    8,537.95x = 12,812.61 × 2,991.29
  4. Step 4: Simplify right side
    8,537.95x = 38,326,162.50
  5. Step 5: Solve for x
    x = 38,326,162.50/8,537.95
  6. Step 6: Final answer
    x = 4,488.92

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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.