Home / 7,515.81-11,270.16-2,248.79

Finding the Fourth Proportional to 7,515.81, 11,270.16 and 2,248.79

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Solution

The fourth proportional to 7,515.81, 11,270.16 and 2,248.79 is: 3,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.81 : 11,270.16 = 2,248.79 : x
  2. Step 2: Convert to fraction form
    7,515.81/11,270.16 = 2,248.79/x
  3. Step 3: Cross multiply
    7,515.81x = 11,270.16 × 2,248.79
  4. Step 4: Simplify right side
    7,515.81x = 25,344,166.76
  5. Step 5: Solve for x
    x = 25,344,166.76/7,515.81
  6. Step 6: Final answer
    x = 3,372.11

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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.