Home / 7,767.66-11,651.28-1,924.32

Finding the Fourth Proportional to 7,767.66, 11,651.28 and 1,924.32

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Solution

The fourth proportional to 7,767.66, 11,651.28 and 1,924.32 is: 2,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.66 : 11,651.28 = 1,924.32 : x
  2. Step 2: Convert to fraction form
    7,767.66/11,651.28 = 1,924.32/x
  3. Step 3: Cross multiply
    7,767.66x = 11,651.28 × 1,924.32
  4. Step 4: Simplify right side
    7,767.66x = 22,420,791.13
  5. Step 5: Solve for x
    x = 22,420,791.13/7,767.66
  6. Step 6: Final answer
    x = 2,886.43

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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.