Home / 5,143.16-7,711.49-4,363.44

Finding the Fourth Proportional to 5,143.16, 7,711.49 and 4,363.44

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Solution

The fourth proportional to 5,143.16, 7,711.49 and 4,363.44 is: 6,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.16 : 7,711.49 = 4,363.44 : x
  2. Step 2: Convert to fraction form
    5,143.16/7,711.49 = 4,363.44/x
  3. Step 3: Cross multiply
    5,143.16x = 7,711.49 × 4,363.44
  4. Step 4: Simplify right side
    5,143.16x = 33,648,623.93
  5. Step 5: Solve for x
    x = 33,648,623.93/5,143.16
  6. Step 6: Final answer
    x = 6,542.40

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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.