Home / 7,381.47-11,068.08-2,449.78

Finding the Fourth Proportional to 7,381.47, 11,068.08 and 2,449.78

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Solution

The fourth proportional to 7,381.47, 11,068.08 and 2,449.78 is: 3,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.47 : 11,068.08 = 2,449.78 : x
  2. Step 2: Convert to fraction form
    7,381.47/11,068.08 = 2,449.78/x
  3. Step 3: Cross multiply
    7,381.47x = 11,068.08 × 2,449.78
  4. Step 4: Simplify right side
    7,381.47x = 27,114,361.02
  5. Step 5: Solve for x
    x = 27,114,361.02/7,381.47
  6. Step 6: Final answer
    x = 3,673.30

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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.