Home / 5,091.50-7,026.28-2,883.50

Finding the Fourth Proportional to 5,091.50, 7,026.28 and 2,883.50

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Solution

The fourth proportional to 5,091.50, 7,026.28 and 2,883.50 is: 3,979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.50 : 7,026.28 = 2,883.50 : x
  2. Step 2: Convert to fraction form
    5,091.50/7,026.28 = 2,883.50/x
  3. Step 3: Cross multiply
    5,091.50x = 7,026.28 × 2,883.50
  4. Step 4: Simplify right side
    5,091.50x = 20,260,278.38
  5. Step 5: Solve for x
    x = 20,260,278.38/5,091.50
  6. Step 6: Final answer
    x = 3,979.24

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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.