Home / 5,113.56-7,053.48-3,221.85

Finding the Fourth Proportional to 5,113.56, 7,053.48 and 3,221.85

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Solution

The fourth proportional to 5,113.56, 7,053.48 and 3,221.85 is: 4,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.56 : 7,053.48 = 3,221.85 : x
  2. Step 2: Convert to fraction form
    5,113.56/7,053.48 = 3,221.85/x
  3. Step 3: Cross multiply
    5,113.56x = 7,053.48 × 3,221.85
  4. Step 4: Simplify right side
    5,113.56x = 22,725,254.54
  5. Step 5: Solve for x
    x = 22,725,254.54/5,113.56
  6. Step 6: Final answer
    x = 4,444.12

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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.