Home / 6,769.80-10,140.30-5,617.80

Finding the Fourth Proportional to 6,769.80, 10,140.30 and 5,617.80

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Solution

The fourth proportional to 6,769.80, 10,140.30 and 5,617.80 is: 8,414.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769.80 : 10,140.30 = 5,617.80 : x
  2. Step 2: Convert to fraction form
    6,769.80/10,140.30 = 5,617.80/x
  3. Step 3: Cross multiply
    6,769.80x = 10,140.30 × 5,617.80
  4. Step 4: Simplify right side
    6,769.80x = 56,966,177.34
  5. Step 5: Solve for x
    x = 56,966,177.34/6,769.80
  6. Step 6: Final answer
    x = 8,414.75

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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.