Home / 9,174.50-12,661.08-4,983.02

Finding the Fourth Proportional to 9,174.50, 12,661.08 and 4,983.02

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Solution

The fourth proportional to 9,174.50, 12,661.08 and 4,983.02 is: 6,876.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.50 : 12,661.08 = 4,983.02 : x
  2. Step 2: Convert to fraction form
    9,174.50/12,661.08 = 4,983.02/x
  3. Step 3: Cross multiply
    9,174.50x = 12,661.08 × 4,983.02
  4. Step 4: Simplify right side
    9,174.50x = 63,090,414.86
  5. Step 5: Solve for x
    x = 63,090,414.86/9,174.50
  6. Step 6: Final answer
    x = 6,876.71

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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.