Home / 8,810.56-12,154.08-6,711.04

Finding the Fourth Proportional to 8,810.56, 12,154.08 and 6,711.04

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Solution

The fourth proportional to 8,810.56, 12,154.08 and 6,711.04 is: 9,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.56 : 12,154.08 = 6,711.04 : x
  2. Step 2: Convert to fraction form
    8,810.56/12,154.08 = 6,711.04/x
  3. Step 3: Cross multiply
    8,810.56x = 12,154.08 × 6,711.04
  4. Step 4: Simplify right side
    8,810.56x = 81,566,517.04
  5. Step 5: Solve for x
    x = 81,566,517.04/8,810.56
  6. Step 6: Final answer
    x = 9,257.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.