Home / 7,854.08-11,780.20-2,307.48

Finding the Fourth Proportional to 7,854.08, 11,780.20 and 2,307.48

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Solution

The fourth proportional to 7,854.08, 11,780.20 and 2,307.48 is: 3,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.08 : 11,780.20 = 2,307.48 : x
  2. Step 2: Convert to fraction form
    7,854.08/11,780.20 = 2,307.48/x
  3. Step 3: Cross multiply
    7,854.08x = 11,780.20 × 2,307.48
  4. Step 4: Simplify right side
    7,854.08x = 27,182,575.90
  5. Step 5: Solve for x
    x = 27,182,575.90/7,854.08
  6. Step 6: Final answer
    x = 3,460.95

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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.