Home / 7,439.94-11,160.56-2,760.00

Finding the Fourth Proportional to 7,439.94, 11,160.56 and 2,760.00

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Solution

The fourth proportional to 7,439.94, 11,160.56 and 2,760.00 is: 4,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.94 : 11,160.56 = 2,760.00 : x
  2. Step 2: Convert to fraction form
    7,439.94/11,160.56 = 2,760.00/x
  3. Step 3: Cross multiply
    7,439.94x = 11,160.56 × 2,760.00
  4. Step 4: Simplify right side
    7,439.94x = 30,803,082.90
  5. Step 5: Solve for x
    x = 30,803,082.90/7,439.94
  6. Step 6: Final answer
    x = 4,140.24

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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.