Home / 7,103.11-9,802.32-4,272.12

Finding the Fourth Proportional to 7,103.11, 9,802.32 and 4,272.12

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Solution

The fourth proportional to 7,103.11, 9,802.32 and 4,272.12 is: 5,895.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.11 : 9,802.32 = 4,272.12 : x
  2. Step 2: Convert to fraction form
    7,103.11/9,802.32 = 4,272.12/x
  3. Step 3: Cross multiply
    7,103.11x = 9,802.32 × 4,272.12
  4. Step 4: Simplify right side
    7,103.11x = 41,876,687.32
  5. Step 5: Solve for x
    x = 41,876,687.32/7,103.11
  6. Step 6: Final answer
    x = 5,895.54

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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.