Home / 7,151.28-10,663.50-6,674.64

Finding the Fourth Proportional to 7,151.28, 10,663.50 and 6,674.64

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Solution

The fourth proportional to 7,151.28, 10,663.50 and 6,674.64 is: 9,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.28 : 10,663.50 = 6,674.64 : x
  2. Step 2: Convert to fraction form
    7,151.28/10,663.50 = 6,674.64/x
  3. Step 3: Cross multiply
    7,151.28x = 10,663.50 × 6,674.64
  4. Step 4: Simplify right side
    7,151.28x = 71,175,023.64
  5. Step 5: Solve for x
    x = 71,175,023.64/7,151.28
  6. Step 6: Final answer
    x = 9,952.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.