Home / 8,488.14-12,729.06-2,940

Finding the Fourth Proportional to 8,488.14, 12,729.06 and 2,940

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Solution

The fourth proportional to 8,488.14, 12,729.06 and 2,940 is: 4,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.14 : 12,729.06 = 2,940 : x
  2. Step 2: Convert to fraction form
    8,488.14/12,729.06 = 2,940/x
  3. Step 3: Cross multiply
    8,488.14x = 12,729.06 × 2,940
  4. Step 4: Simplify right side
    8,488.14x = 37,423,436.40
  5. Step 5: Solve for x
    x = 37,423,436.40/8,488.14
  6. Step 6: Final answer
    x = 4,408.91

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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.