Home / 9,110.15-12,571.95-5,132.54

Finding the Fourth Proportional to 9,110.15, 12,571.95 and 5,132.54

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Solution

The fourth proportional to 9,110.15, 12,571.95 and 5,132.54 is: 7,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.15 : 12,571.95 = 5,132.54 : x
  2. Step 2: Convert to fraction form
    9,110.15/12,571.95 = 5,132.54/x
  3. Step 3: Cross multiply
    9,110.15x = 12,571.95 × 5,132.54
  4. Step 4: Simplify right side
    9,110.15x = 64,526,015.48
  5. Step 5: Solve for x
    x = 64,526,015.48/9,110.15
  6. Step 6: Final answer
    x = 7,082.87

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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.