Home / 7,391.28-11,083.20-2,459.16

Finding the Fourth Proportional to 7,391.28, 11,083.20 and 2,459.16

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Solution

The fourth proportional to 7,391.28, 11,083.20 and 2,459.16 is: 3,687.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.28 : 11,083.20 = 2,459.16 : x
  2. Step 2: Convert to fraction form
    7,391.28/11,083.20 = 2,459.16/x
  3. Step 3: Cross multiply
    7,391.28x = 11,083.20 × 2,459.16
  4. Step 4: Simplify right side
    7,391.28x = 27,255,362.11
  5. Step 5: Solve for x
    x = 27,255,362.11/7,391.28
  6. Step 6: Final answer
    x = 3,687.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.