Home / 9,322.20-12,863.56-5,343.08

Finding the Fourth Proportional to 9,322.20, 12,863.56 and 5,343.08

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Solution

The fourth proportional to 9,322.20, 12,863.56 and 5,343.08 is: 7,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.20 : 12,863.56 = 5,343.08 : x
  2. Step 2: Convert to fraction form
    9,322.20/12,863.56 = 5,343.08/x
  3. Step 3: Cross multiply
    9,322.20x = 12,863.56 × 5,343.08
  4. Step 4: Simplify right side
    9,322.20x = 68,731,030.16
  5. Step 5: Solve for x
    x = 68,731,030.16/9,322.20
  6. Step 6: Final answer
    x = 7,372.83

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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.