Home / 9,216.48-12,719.66-5,440.89

Finding the Fourth Proportional to 9,216.48, 12,719.66 and 5,440.89

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Solution

The fourth proportional to 9,216.48, 12,719.66 and 5,440.89 is: 7,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.48 : 12,719.66 = 5,440.89 : x
  2. Step 2: Convert to fraction form
    9,216.48/12,719.66 = 5,440.89/x
  3. Step 3: Cross multiply
    9,216.48x = 12,719.66 × 5,440.89
  4. Step 4: Simplify right side
    9,216.48x = 69,206,243.69
  5. Step 5: Solve for x
    x = 69,206,243.69/9,216.48
  6. Step 6: Final answer
    x = 7,508.97

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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.