Home / 5,652.20-8,478.30-5,133.80

Finding the Fourth Proportional to 5,652.20, 8,478.30 and 5,133.80

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Solution

The fourth proportional to 5,652.20, 8,478.30 and 5,133.80 is: 7,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.20 : 8,478.30 = 5,133.80 : x
  2. Step 2: Convert to fraction form
    5,652.20/8,478.30 = 5,133.80/x
  3. Step 3: Cross multiply
    5,652.20x = 8,478.30 × 5,133.80
  4. Step 4: Simplify right side
    5,652.20x = 43,525,896.54
  5. Step 5: Solve for x
    x = 43,525,896.54/5,652.20
  6. Step 6: Final answer
    x = 7,700.70

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Double scale
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Similar ratio
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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.