Home / 6,901.20-10,342.08-5,167.80

Finding the Fourth Proportional to 6,901.20, 10,342.08 and 5,167.80

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Solution

The fourth proportional to 6,901.20, 10,342.08 and 5,167.80 is: 7,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.20 : 10,342.08 = 5,167.80 : x
  2. Step 2: Convert to fraction form
    6,901.20/10,342.08 = 5,167.80/x
  3. Step 3: Cross multiply
    6,901.20x = 10,342.08 × 5,167.80
  4. Step 4: Simplify right side
    6,901.20x = 53,445,801.02
  5. Step 5: Solve for x
    x = 53,445,801.02/6,901.20
  6. Step 6: Final answer
    x = 7,744.42

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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.