Home / 8,838.24-12,182.58-7,351.08

Finding the Fourth Proportional to 8,838.24, 12,182.58 and 7,351.08

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Solution

The fourth proportional to 8,838.24, 12,182.58 and 7,351.08 is: 10,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.24 : 12,182.58 = 7,351.08 : x
  2. Step 2: Convert to fraction form
    8,838.24/12,182.58 = 7,351.08/x
  3. Step 3: Cross multiply
    8,838.24x = 12,182.58 × 7,351.08
  4. Step 4: Simplify right side
    8,838.24x = 89,555,120.19
  5. Step 5: Solve for x
    x = 89,555,120.19/8,838.24
  6. Step 6: Final answer
    x = 10,132.69

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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.