Home / 8,859.42-12,227.76-5,275.26

Finding the Fourth Proportional to 8,859.42, 12,227.76 and 5,275.26

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Solution

The fourth proportional to 8,859.42, 12,227.76 and 5,275.26 is: 7,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.42 : 12,227.76 = 5,275.26 : x
  2. Step 2: Convert to fraction form
    8,859.42/12,227.76 = 5,275.26/x
  3. Step 3: Cross multiply
    8,859.42x = 12,227.76 × 5,275.26
  4. Step 4: Simplify right side
    8,859.42x = 64,504,613.22
  5. Step 5: Solve for x
    x = 64,504,613.22/8,859.42
  6. Step 6: Final answer
    x = 7,280.91

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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.