Home / 8,882.64-13,312.92-4,989.84

Finding the Fourth Proportional to 8,882.64, 13,312.92 and 4,989.84

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Solution

The fourth proportional to 8,882.64, 13,312.92 and 4,989.84 is: 7,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.64 : 13,312.92 = 4,989.84 : x
  2. Step 2: Convert to fraction form
    8,882.64/13,312.92 = 4,989.84/x
  3. Step 3: Cross multiply
    8,882.64x = 13,312.92 × 4,989.84
  4. Step 4: Simplify right side
    8,882.64x = 66,429,340.73
  5. Step 5: Solve for x
    x = 66,429,340.73/8,882.64
  6. Step 6: Final answer
    x = 7,478.56

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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.