Home / 5,476.49-8,219.92-3,390.18

Finding the Fourth Proportional to 5,476.49, 8,219.92 and 3,390.18

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Solution

The fourth proportional to 5,476.49, 8,219.92 and 3,390.18 is: 5,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.49 : 8,219.92 = 3,390.18 : x
  2. Step 2: Convert to fraction form
    5,476.49/8,219.92 = 3,390.18/x
  3. Step 3: Cross multiply
    5,476.49x = 8,219.92 × 3,390.18
  4. Step 4: Simplify right side
    5,476.49x = 27,867,008.39
  5. Step 5: Solve for x
    x = 27,867,008.39/5,476.49
  6. Step 6: Final answer
    x = 5,088.48

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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.