Home / 9,350.72-12,904.00-5,158.97

Finding the Fourth Proportional to 9,350.72, 12,904.00 and 5,158.97

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Solution

The fourth proportional to 9,350.72, 12,904.00 and 5,158.97 is: 7,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.72 : 12,904.00 = 5,158.97 : x
  2. Step 2: Convert to fraction form
    9,350.72/12,904.00 = 5,158.97/x
  3. Step 3: Cross multiply
    9,350.72x = 12,904.00 × 5,158.97
  4. Step 4: Simplify right side
    9,350.72x = 66,571,319.85
  5. Step 5: Solve for x
    x = 66,571,319.85/9,350.72
  6. Step 6: Final answer
    x = 7,119.38

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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.