Home / 5,444.28-8,167.45-3,880.40

Finding the Fourth Proportional to 5,444.28, 8,167.45 and 3,880.40

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Solution

The fourth proportional to 5,444.28, 8,167.45 and 3,880.40 is: 5,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,444.28 : 8,167.45 = 3,880.40 : x
  2. Step 2: Convert to fraction form
    5,444.28/8,167.45 = 3,880.40/x
  3. Step 3: Cross multiply
    5,444.28x = 8,167.45 × 3,880.40
  4. Step 4: Simplify right side
    5,444.28x = 31,692,972.98
  5. Step 5: Solve for x
    x = 31,692,972.98/5,444.28
  6. Step 6: Final answer
    x = 5,821.33

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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.