Home / 9,767.07-13,479.39-5,518.91

Finding the Fourth Proportional to 9,767.07, 13,479.39 and 5,518.91

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Solution

The fourth proportional to 9,767.07, 13,479.39 and 5,518.91 is: 7,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.07 : 13,479.39 = 5,518.91 : x
  2. Step 2: Convert to fraction form
    9,767.07/13,479.39 = 5,518.91/x
  3. Step 3: Cross multiply
    9,767.07x = 13,479.39 × 5,518.91
  4. Step 4: Simplify right side
    9,767.07x = 74,391,573.96
  5. Step 5: Solve for x
    x = 74,391,573.96/9,767.07
  6. Step 6: Final answer
    x = 7,616.57

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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.