Home / 9,767.88-13,479.36-5,519.10

Finding the Fourth Proportional to 9,767.88, 13,479.36 and 5,519.10

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Solution

The fourth proportional to 9,767.88, 13,479.36 and 5,519.10 is: 7,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.88 : 13,479.36 = 5,519.10 : x
  2. Step 2: Convert to fraction form
    9,767.88/13,479.36 = 5,519.10/x
  3. Step 3: Cross multiply
    9,767.88x = 13,479.36 × 5,519.10
  4. Step 4: Simplify right side
    9,767.88x = 74,393,935.78
  5. Step 5: Solve for x
    x = 74,393,935.78/9,767.88
  6. Step 6: Final answer
    x = 7,616.18

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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.