Home / 5,113.34-7,058.78-3,854.90

Finding the Fourth Proportional to 5,113.34, 7,058.78 and 3,854.90

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Solution

The fourth proportional to 5,113.34, 7,058.78 and 3,854.90 is: 5,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.34 : 7,058.78 = 3,854.90 : x
  2. Step 2: Convert to fraction form
    5,113.34/7,058.78 = 3,854.90/x
  3. Step 3: Cross multiply
    5,113.34x = 7,058.78 × 3,854.90
  4. Step 4: Simplify right side
    5,113.34x = 27,210,891.02
  5. Step 5: Solve for x
    x = 27,210,891.02/5,113.34
  6. Step 6: Final answer
    x = 5,321.55

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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.