Home / 5,721.30-8,592.89-4,747.55

Finding the Fourth Proportional to 5,721.30, 8,592.89 and 4,747.55

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Solution

The fourth proportional to 5,721.30, 8,592.89 and 4,747.55 is: 7,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.30 : 8,592.89 = 4,747.55 : x
  2. Step 2: Convert to fraction form
    5,721.30/8,592.89 = 4,747.55/x
  3. Step 3: Cross multiply
    5,721.30x = 8,592.89 × 4,747.55
  4. Step 4: Simplify right side
    5,721.30x = 40,795,108.22
  5. Step 5: Solve for x
    x = 40,795,108.22/5,721.30
  6. Step 6: Final answer
    x = 7,130.39

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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.