Home / 8,810.70-12,158.28-6,711.18

Finding the Fourth Proportional to 8,810.70, 12,158.28 and 6,711.18

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Solution

The fourth proportional to 8,810.70, 12,158.28 and 6,711.18 is: 9,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.70 : 12,158.28 = 6,711.18 : x
  2. Step 2: Convert to fraction form
    8,810.70/12,158.28 = 6,711.18/x
  3. Step 3: Cross multiply
    8,810.70x = 12,158.28 × 6,711.18
  4. Step 4: Simplify right side
    8,810.70x = 81,596,405.57
  5. Step 5: Solve for x
    x = 81,596,405.57/8,810.70
  6. Step 6: Final answer
    x = 9,261.06

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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.