Home / 6,764.80-10,154.50-5,681.02

Finding the Fourth Proportional to 6,764.80, 10,154.50 and 5,681.02

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Solution

The fourth proportional to 6,764.80, 10,154.50 and 5,681.02 is: 8,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.80 : 10,154.50 = 5,681.02 : x
  2. Step 2: Convert to fraction form
    6,764.80/10,154.50 = 5,681.02/x
  3. Step 3: Cross multiply
    6,764.80x = 10,154.50 × 5,681.02
  4. Step 4: Simplify right side
    6,764.80x = 57,687,917.59
  5. Step 5: Solve for x
    x = 57,687,917.59/6,764.80
  6. Step 6: Final answer
    x = 8,527.66

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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.