Home / 8,045.40-12,062.70-3,660.60

Finding the Fourth Proportional to 8,045.40, 12,062.70 and 3,660.60

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Solution

The fourth proportional to 8,045.40, 12,062.70 and 3,660.60 is: 5,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.40 : 12,062.70 = 3,660.60 : x
  2. Step 2: Convert to fraction form
    8,045.40/12,062.70 = 3,660.60/x
  3. Step 3: Cross multiply
    8,045.40x = 12,062.70 × 3,660.60
  4. Step 4: Simplify right side
    8,045.40x = 44,156,719.62
  5. Step 5: Solve for x
    x = 44,156,719.62/8,045.40
  6. Step 6: Final answer
    x = 5,488.44

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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.