Home / 5,091.15-7,025.67-2,853.02

Finding the Fourth Proportional to 5,091.15, 7,025.67 and 2,853.02

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Solution

The fourth proportional to 5,091.15, 7,025.67 and 2,853.02 is: 3,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.15 : 7,025.67 = 2,853.02 : x
  2. Step 2: Convert to fraction form
    5,091.15/7,025.67 = 2,853.02/x
  3. Step 3: Cross multiply
    5,091.15x = 7,025.67 × 2,853.02
  4. Step 4: Simplify right side
    5,091.15x = 20,044,394.59
  5. Step 5: Solve for x
    x = 20,044,394.59/5,091.15
  6. Step 6: Final answer
    x = 3,937.10

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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.