Home / 5,766.80-8,650.20-4,308.80

Finding the Fourth Proportional to 5,766.80, 8,650.20 and 4,308.80

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Solution

The fourth proportional to 5,766.80, 8,650.20 and 4,308.80 is: 6,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.80 : 8,650.20 = 4,308.80 : x
  2. Step 2: Convert to fraction form
    5,766.80/8,650.20 = 4,308.80/x
  3. Step 3: Cross multiply
    5,766.80x = 8,650.20 × 4,308.80
  4. Step 4: Simplify right side
    5,766.80x = 37,271,981.76
  5. Step 5: Solve for x
    x = 37,271,981.76/5,766.80
  6. Step 6: Final answer
    x = 6,463.20

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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.