Home / 8,767.06-13,145.73-2,920.48

Finding the Fourth Proportional to 8,767.06, 13,145.73 and 2,920.48

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Solution

The fourth proportional to 8,767.06, 13,145.73 and 2,920.48 is: 4,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.06 : 13,145.73 = 2,920.48 : x
  2. Step 2: Convert to fraction form
    8,767.06/13,145.73 = 2,920.48/x
  3. Step 3: Cross multiply
    8,767.06x = 13,145.73 × 2,920.48
  4. Step 4: Simplify right side
    8,767.06x = 38,391,841.55
  5. Step 5: Solve for x
    x = 38,391,841.55/8,767.06
  6. Step 6: Final answer
    x = 4,379.10

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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.