Home / 9,282.32-12,791.12-6,622.24

Finding the Fourth Proportional to 9,282.32, 12,791.12 and 6,622.24

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Solution

The fourth proportional to 9,282.32, 12,791.12 and 6,622.24 is: 9,125.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282.32 : 12,791.12 = 6,622.24 : x
  2. Step 2: Convert to fraction form
    9,282.32/12,791.12 = 6,622.24/x
  3. Step 3: Cross multiply
    9,282.32x = 12,791.12 × 6,622.24
  4. Step 4: Simplify right side
    9,282.32x = 84,705,866.51
  5. Step 5: Solve for x
    x = 84,705,866.51/9,282.32
  6. Step 6: Final answer
    x = 9,125.51

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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.