Home / 4,815.71-6,646.01-2,691.65

Finding the Fourth Proportional to 4,815.71, 6,646.01 and 2,691.65

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Solution

The fourth proportional to 4,815.71, 6,646.01 and 2,691.65 is: 3,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.71 : 6,646.01 = 2,691.65 : x
  2. Step 2: Convert to fraction form
    4,815.71/6,646.01 = 2,691.65/x
  3. Step 3: Cross multiply
    4,815.71x = 6,646.01 × 2,691.65
  4. Step 4: Simplify right side
    4,815.71x = 17,888,732.82
  5. Step 5: Solve for x
    x = 17,888,732.82/4,815.71
  6. Step 6: Final answer
    x = 3,714.66

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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.