Home / 8,278.26-11,425.62-4,743.82

Finding the Fourth Proportional to 8,278.26, 11,425.62 and 4,743.82

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Solution

The fourth proportional to 8,278.26, 11,425.62 and 4,743.82 is: 6,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.26 : 11,425.62 = 4,743.82 : x
  2. Step 2: Convert to fraction form
    8,278.26/11,425.62 = 4,743.82/x
  3. Step 3: Cross multiply
    8,278.26x = 11,425.62 × 4,743.82
  4. Step 4: Simplify right side
    8,278.26x = 54,201,084.67
  5. Step 5: Solve for x
    x = 54,201,084.67/8,278.26
  6. Step 6: Final answer
    x = 6,547.40

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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.