Home / 9,172.16-13,758.56-3,249.66

Finding the Fourth Proportional to 9,172.16, 13,758.56 and 3,249.66

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Solution

The fourth proportional to 9,172.16, 13,758.56 and 3,249.66 is: 4,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.16 : 13,758.56 = 3,249.66 : x
  2. Step 2: Convert to fraction form
    9,172.16/13,758.56 = 3,249.66/x
  3. Step 3: Cross multiply
    9,172.16x = 13,758.56 × 3,249.66
  4. Step 4: Simplify right side
    9,172.16x = 44,710,642.09
  5. Step 5: Solve for x
    x = 44,710,642.09/9,172.16
  6. Step 6: Final answer
    x = 4,874.60

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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.