Home / 9,278.42-13,918.91-4,896.18

Finding the Fourth Proportional to 9,278.42, 13,918.91 and 4,896.18

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Solution

The fourth proportional to 9,278.42, 13,918.91 and 4,896.18 is: 7,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.42 : 13,918.91 = 4,896.18 : x
  2. Step 2: Convert to fraction form
    9,278.42/13,918.91 = 4,896.18/x
  3. Step 3: Cross multiply
    9,278.42x = 13,918.91 × 4,896.18
  4. Step 4: Simplify right side
    9,278.42x = 68,149,464.28
  5. Step 5: Solve for x
    x = 68,149,464.28/9,278.42
  6. Step 6: Final answer
    x = 7,344.95

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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.