Home / 5,523-7,621.64-3,132.96

Finding the Fourth Proportional to 5,523, 7,621.64 and 3,132.96

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Solution

The fourth proportional to 5,523, 7,621.64 and 3,132.96 is: 4,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523 : 7,621.64 = 3,132.96 : x
  2. Step 2: Convert to fraction form
    5,523/7,621.64 = 3,132.96/x
  3. Step 3: Cross multiply
    5,523x = 7,621.64 × 3,132.96
  4. Step 4: Simplify right side
    5,523x = 23,878,293.25
  5. Step 5: Solve for x
    x = 23,878,293.25/5,523
  6. Step 6: Final answer
    x = 4,323.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.