Home / 8,861.80-12,227.58-5,325.40

Finding the Fourth Proportional to 8,861.80, 12,227.58 and 5,325.40

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Solution

The fourth proportional to 8,861.80, 12,227.58 and 5,325.40 is: 7,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.80 : 12,227.58 = 5,325.40 : x
  2. Step 2: Convert to fraction form
    8,861.80/12,227.58 = 5,325.40/x
  3. Step 3: Cross multiply
    8,861.80x = 12,227.58 × 5,325.40
  4. Step 4: Simplify right side
    8,861.80x = 65,116,754.53
  5. Step 5: Solve for x
    x = 65,116,754.53/8,861.80
  6. Step 6: Final answer
    x = 7,348.03

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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.