Home / 7,921.56-10,952.62-6,937.40

Finding the Fourth Proportional to 7,921.56, 10,952.62 and 6,937.40

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Solution

The fourth proportional to 7,921.56, 10,952.62 and 6,937.40 is: 9,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.56 : 10,952.62 = 6,937.40 : x
  2. Step 2: Convert to fraction form
    7,921.56/10,952.62 = 6,937.40/x
  3. Step 3: Cross multiply
    7,921.56x = 10,952.62 × 6,937.40
  4. Step 4: Simplify right side
    7,921.56x = 75,982,705.99
  5. Step 5: Solve for x
    x = 75,982,705.99/7,921.56
  6. Step 6: Final answer
    x = 9,591.89

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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.