Home / 7,439.36-11,143.92-5,970.56

Finding the Fourth Proportional to 7,439.36, 11,143.92 and 5,970.56

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Solution

The fourth proportional to 7,439.36, 11,143.92 and 5,970.56 is: 8,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.36 : 11,143.92 = 5,970.56 : x
  2. Step 2: Convert to fraction form
    7,439.36/11,143.92 = 5,970.56/x
  3. Step 3: Cross multiply
    7,439.36x = 11,143.92 × 5,970.56
  4. Step 4: Simplify right side
    7,439.36x = 66,535,443.00
  5. Step 5: Solve for x
    x = 66,535,443.00/7,439.36
  6. Step 6: Final answer
    x = 8,943.71

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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.