Home / 10,719.60-16,079.52-4,480.56

Finding the Fourth Proportional to 10,719.60, 16,079.52 and 4,480.56

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Solution

The fourth proportional to 10,719.60, 16,079.52 and 4,480.56 is: 6,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.60 : 16,079.52 = 4,480.56 : x
  2. Step 2: Convert to fraction form
    10,719.60/16,079.52 = 4,480.56/x
  3. Step 3: Cross multiply
    10,719.60x = 16,079.52 × 4,480.56
  4. Step 4: Simplify right side
    10,719.60x = 72,045,254.13
  5. Step 5: Solve for x
    x = 72,045,254.13/10,719.60
  6. Step 6: Final answer
    x = 6,720.89

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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.