Home / 5,478.68-7,559.92-3,088.72

Finding the Fourth Proportional to 5,478.68, 7,559.92 and 3,088.72

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Solution

The fourth proportional to 5,478.68, 7,559.92 and 3,088.72 is: 4,262.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.68 : 7,559.92 = 3,088.72 : x
  2. Step 2: Convert to fraction form
    5,478.68/7,559.92 = 3,088.72/x
  3. Step 3: Cross multiply
    5,478.68x = 7,559.92 × 3,088.72
  4. Step 4: Simplify right side
    5,478.68x = 23,350,476.10
  5. Step 5: Solve for x
    x = 23,350,476.10/5,478.68
  6. Step 6: Final answer
    x = 4,262.06

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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.