Home / 7,098.30-10,647.97-2,879.53

Finding the Fourth Proportional to 7,098.30, 10,647.97 and 2,879.53

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Solution

The fourth proportional to 7,098.30, 10,647.97 and 2,879.53 is: 4,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.30 : 10,647.97 = 2,879.53 : x
  2. Step 2: Convert to fraction form
    7,098.30/10,647.97 = 2,879.53/x
  3. Step 3: Cross multiply
    7,098.30x = 10,647.97 × 2,879.53
  4. Step 4: Simplify right side
    7,098.30x = 30,661,165.96
  5. Step 5: Solve for x
    x = 30,661,165.96/7,098.30
  6. Step 6: Final answer
    x = 4,319.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.