Home / 8,278.27-11,425.64-4,743.85

Finding the Fourth Proportional to 8,278.27, 11,425.64 and 4,743.85

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Solution

The fourth proportional to 8,278.27, 11,425.64 and 4,743.85 is: 6,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.27 : 11,425.64 = 4,743.85 : x
  2. Step 2: Convert to fraction form
    8,278.27/11,425.64 = 4,743.85/x
  3. Step 3: Cross multiply
    8,278.27x = 11,425.64 × 4,743.85
  4. Step 4: Simplify right side
    8,278.27x = 54,201,498.59
  5. Step 5: Solve for x
    x = 54,201,498.59/8,278.27
  6. Step 6: Final answer
    x = 6,547.44

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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.