Home / 5,114.96-7,058.72-2,876.96

Finding the Fourth Proportional to 5,114.96, 7,058.72 and 2,876.96

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Solution

The fourth proportional to 5,114.96, 7,058.72 and 2,876.96 is: 3,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.96 : 7,058.72 = 2,876.96 : x
  2. Step 2: Convert to fraction form
    5,114.96/7,058.72 = 2,876.96/x
  3. Step 3: Cross multiply
    5,114.96x = 7,058.72 × 2,876.96
  4. Step 4: Simplify right side
    5,114.96x = 20,307,655.09
  5. Step 5: Solve for x
    x = 20,307,655.09/5,114.96
  6. Step 6: Final answer
    x = 3,970.25

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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.