Home / 9,074.40-12,522.29-5,297.78

Finding the Fourth Proportional to 9,074.40, 12,522.29 and 5,297.78

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Solution

The fourth proportional to 9,074.40, 12,522.29 and 5,297.78 is: 7,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.40 : 12,522.29 = 5,297.78 : x
  2. Step 2: Convert to fraction form
    9,074.40/12,522.29 = 5,297.78/x
  3. Step 3: Cross multiply
    9,074.40x = 12,522.29 × 5,297.78
  4. Step 4: Simplify right side
    9,074.40x = 66,340,248.42
  5. Step 5: Solve for x
    x = 66,340,248.42/9,074.40
  6. Step 6: Final answer
    x = 7,310.70

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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.