Home / 9,287.34-13,929.57-2,711.76

Finding the Fourth Proportional to 9,287.34, 13,929.57 and 2,711.76

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Solution

The fourth proportional to 9,287.34, 13,929.57 and 2,711.76 is: 4,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.34 : 13,929.57 = 2,711.76 : x
  2. Step 2: Convert to fraction form
    9,287.34/13,929.57 = 2,711.76/x
  3. Step 3: Cross multiply
    9,287.34x = 13,929.57 × 2,711.76
  4. Step 4: Simplify right side
    9,287.34x = 37,773,650.74
  5. Step 5: Solve for x
    x = 37,773,650.74/9,287.34
  6. Step 6: Final answer
    x = 4,067.22

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1.5x scale

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.