Home / 7,948.28-10,965.90-4,542.84

Finding the Fourth Proportional to 7,948.28, 10,965.90 and 4,542.84

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Solution

The fourth proportional to 7,948.28, 10,965.90 and 4,542.84 is: 6,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.28 : 10,965.90 = 4,542.84 : x
  2. Step 2: Convert to fraction form
    7,948.28/10,965.90 = 4,542.84/x
  3. Step 3: Cross multiply
    7,948.28x = 10,965.90 × 4,542.84
  4. Step 4: Simplify right side
    7,948.28x = 49,816,329.16
  5. Step 5: Solve for x
    x = 49,816,329.16/7,948.28
  6. Step 6: Final answer
    x = 6,267.56

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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.