Home / 9,321.06-12,863.36-5,342.92

Finding the Fourth Proportional to 9,321.06, 12,863.36 and 5,342.92

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Solution

The fourth proportional to 9,321.06, 12,863.36 and 5,342.92 is: 7,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.06 : 12,863.36 = 5,342.92 : x
  2. Step 2: Convert to fraction form
    9,321.06/12,863.36 = 5,342.92/x
  3. Step 3: Cross multiply
    9,321.06x = 12,863.36 × 5,342.92
  4. Step 4: Simplify right side
    9,321.06x = 68,727,903.41
  5. Step 5: Solve for x
    x = 68,727,903.41/9,321.06
  6. Step 6: Final answer
    x = 7,373.40

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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.