Home / 5,728.18-8,595.20-2,729.61

Finding the Fourth Proportional to 5,728.18, 8,595.20 and 2,729.61

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Solution

The fourth proportional to 5,728.18, 8,595.20 and 2,729.61 is: 4,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.18 : 8,595.20 = 2,729.61 : x
  2. Step 2: Convert to fraction form
    5,728.18/8,595.20 = 2,729.61/x
  3. Step 3: Cross multiply
    5,728.18x = 8,595.20 × 2,729.61
  4. Step 4: Simplify right side
    5,728.18x = 23,461,487.25
  5. Step 5: Solve for x
    x = 23,461,487.25/5,728.18
  6. Step 6: Final answer
    x = 4,095.80

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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.