Home / 5,229-7,216.56-3,132.72

Finding the Fourth Proportional to 5,229, 7,216.56 and 3,132.72

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Solution

The fourth proportional to 5,229, 7,216.56 and 3,132.72 is: 4,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229 : 7,216.56 = 3,132.72 : x
  2. Step 2: Convert to fraction form
    5,229/7,216.56 = 3,132.72/x
  3. Step 3: Cross multiply
    5,229x = 7,216.56 × 3,132.72
  4. Step 4: Simplify right side
    5,229x = 22,607,461.84
  5. Step 5: Solve for x
    x = 22,607,461.84/5,229
  6. Step 6: Final answer
    x = 4,323.48

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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.