Home / 8,325.64-11,491.50-4,789.18

Finding the Fourth Proportional to 8,325.64, 11,491.50 and 4,789.18

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Solution

The fourth proportional to 8,325.64, 11,491.50 and 4,789.18 is: 6,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.64 : 11,491.50 = 4,789.18 : x
  2. Step 2: Convert to fraction form
    8,325.64/11,491.50 = 4,789.18/x
  3. Step 3: Cross multiply
    8,325.64x = 11,491.50 × 4,789.18
  4. Step 4: Simplify right side
    8,325.64x = 55,034,861.97
  5. Step 5: Solve for x
    x = 55,034,861.97/8,325.64
  6. Step 6: Final answer
    x = 6,610.29

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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.