Home / 9,322.85-12,865.14-5,343.72

Finding the Fourth Proportional to 9,322.85, 12,865.14 and 5,343.72

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Solution

The fourth proportional to 9,322.85, 12,865.14 and 5,343.72 is: 7,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.85 : 12,865.14 = 5,343.72 : x
  2. Step 2: Convert to fraction form
    9,322.85/12,865.14 = 5,343.72/x
  3. Step 3: Cross multiply
    9,322.85x = 12,865.14 × 5,343.72
  4. Step 4: Simplify right side
    9,322.85x = 68,747,705.92
  5. Step 5: Solve for x
    x = 68,747,705.92/9,322.85
  6. Step 6: Final answer
    x = 7,374.11

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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.