Home / 5,151.89-7,109.65-3,026.85

Finding the Fourth Proportional to 5,151.89, 7,109.65 and 3,026.85

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Solution

The fourth proportional to 5,151.89, 7,109.65 and 3,026.85 is: 4,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.89 : 7,109.65 = 3,026.85 : x
  2. Step 2: Convert to fraction form
    5,151.89/7,109.65 = 3,026.85/x
  3. Step 3: Cross multiply
    5,151.89x = 7,109.65 × 3,026.85
  4. Step 4: Simplify right side
    5,151.89x = 21,519,844.10
  5. Step 5: Solve for x
    x = 21,519,844.10/5,151.89
  6. Step 6: Final answer
    x = 4,177.08

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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.