Home / 5,114.84-7,058.44-2,876.72

Finding the Fourth Proportional to 5,114.84, 7,058.44 and 2,876.72

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Solution

The fourth proportional to 5,114.84, 7,058.44 and 2,876.72 is: 3,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.84 : 7,058.44 = 2,876.72 : x
  2. Step 2: Convert to fraction form
    5,114.84/7,058.44 = 2,876.72/x
  3. Step 3: Cross multiply
    5,114.84x = 7,058.44 × 2,876.72
  4. Step 4: Simplify right side
    5,114.84x = 20,305,155.52
  5. Step 5: Solve for x
    x = 20,305,155.52/5,114.84
  6. Step 6: Final answer
    x = 3,969.85

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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.