Home / 7,155.08-9,874.26-4,170.44

Finding the Fourth Proportional to 7,155.08, 9,874.26 and 4,170.44

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Solution

The fourth proportional to 7,155.08, 9,874.26 and 4,170.44 is: 5,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.08 : 9,874.26 = 4,170.44 : x
  2. Step 2: Convert to fraction form
    7,155.08/9,874.26 = 4,170.44/x
  3. Step 3: Cross multiply
    7,155.08x = 9,874.26 × 4,170.44
  4. Step 4: Simplify right side
    7,155.08x = 41,179,959.50
  5. Step 5: Solve for x
    x = 41,179,959.50/7,155.08
  6. Step 6: Final answer
    x = 5,755.35

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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.