Home / 9,306.15-12,841.82-5,327.20

Finding the Fourth Proportional to 9,306.15, 12,841.82 and 5,327.20

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Solution

The fourth proportional to 9,306.15, 12,841.82 and 5,327.20 is: 7,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.15 : 12,841.82 = 5,327.20 : x
  2. Step 2: Convert to fraction form
    9,306.15/12,841.82 = 5,327.20/x
  3. Step 3: Cross multiply
    9,306.15x = 12,841.82 × 5,327.20
  4. Step 4: Simplify right side
    9,306.15x = 68,410,916.87
  5. Step 5: Solve for x
    x = 68,410,916.87/9,306.15
  6. Step 6: Final answer
    x = 7,351.16

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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.