Home / 7,921.80-10,952.96-6,937.65

Finding the Fourth Proportional to 7,921.80, 10,952.96 and 6,937.65

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Solution

The fourth proportional to 7,921.80, 10,952.96 and 6,937.65 is: 9,592.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.80 : 10,952.96 = 6,937.65 : x
  2. Step 2: Convert to fraction form
    7,921.80/10,952.96 = 6,937.65/x
  3. Step 3: Cross multiply
    7,921.80x = 10,952.96 × 6,937.65
  4. Step 4: Simplify right side
    7,921.80x = 75,987,768.26
  5. Step 5: Solve for x
    x = 75,987,768.26/7,921.80
  6. Step 6: Final answer
    x = 9,592.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.