Home / 5,143.78-7,725.08-4,710.02

Finding the Fourth Proportional to 5,143.78, 7,725.08 and 4,710.02

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Solution

The fourth proportional to 5,143.78, 7,725.08 and 4,710.02 is: 7,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.78 : 7,725.08 = 4,710.02 : x
  2. Step 2: Convert to fraction form
    5,143.78/7,725.08 = 4,710.02/x
  3. Step 3: Cross multiply
    5,143.78x = 7,725.08 × 4,710.02
  4. Step 4: Simplify right side
    5,143.78x = 36,385,257.75
  5. Step 5: Solve for x
    x = 36,385,257.75/5,143.78
  6. Step 6: Final answer
    x = 7,073.65

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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.