Home / 4,148.73-5,721.17-3,518.55

Finding the Fourth Proportional to 4,148.73, 5,721.17 and 3,518.55

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Solution

The fourth proportional to 4,148.73, 5,721.17 and 3,518.55 is: 4,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.73 : 5,721.17 = 3,518.55 : x
  2. Step 2: Convert to fraction form
    4,148.73/5,721.17 = 3,518.55/x
  3. Step 3: Cross multiply
    4,148.73x = 5,721.17 × 3,518.55
  4. Step 4: Simplify right side
    4,148.73x = 20,130,205.11
  5. Step 5: Solve for x
    x = 20,130,205.11/4,148.73
  6. Step 6: Final answer
    x = 4,852.14

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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.