Home / 7,178.67-10,767.78-2,248.20

Finding the Fourth Proportional to 7,178.67, 10,767.78 and 2,248.20

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Solution

The fourth proportional to 7,178.67, 10,767.78 and 2,248.20 is: 3,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.67 : 10,767.78 = 2,248.20 : x
  2. Step 2: Convert to fraction form
    7,178.67/10,767.78 = 2,248.20/x
  3. Step 3: Cross multiply
    7,178.67x = 10,767.78 × 2,248.20
  4. Step 4: Simplify right side
    7,178.67x = 24,208,123.00
  5. Step 5: Solve for x
    x = 24,208,123.00/7,178.67
  6. Step 6: Final answer
    x = 3,372.23

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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.