Home / 5,767.80-8,651.70-4,309.80

Finding the Fourth Proportional to 5,767.80, 8,651.70 and 4,309.80

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Solution

The fourth proportional to 5,767.80, 8,651.70 and 4,309.80 is: 6,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.80 : 8,651.70 = 4,309.80 : x
  2. Step 2: Convert to fraction form
    5,767.80/8,651.70 = 4,309.80/x
  3. Step 3: Cross multiply
    5,767.80x = 8,651.70 × 4,309.80
  4. Step 4: Simplify right side
    5,767.80x = 37,287,096.66
  5. Step 5: Solve for x
    x = 37,287,096.66/5,767.80
  6. Step 6: Final answer
    x = 6,464.70

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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.