Home / 9,229.02-12,735.42-6,240.12

Finding the Fourth Proportional to 9,229.02, 12,735.42 and 6,240.12

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Solution

The fourth proportional to 9,229.02, 12,735.42 and 6,240.12 is: 8,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.02 : 12,735.42 = 6,240.12 : x
  2. Step 2: Convert to fraction form
    9,229.02/12,735.42 = 6,240.12/x
  3. Step 3: Cross multiply
    9,229.02x = 12,735.42 × 6,240.12
  4. Step 4: Simplify right side
    9,229.02x = 79,470,549.05
  5. Step 5: Solve for x
    x = 79,470,549.05/9,229.02
  6. Step 6: Final answer
    x = 8,610.94

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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.