Home / 5,053.65-6,974.55-2,815.89

Finding the Fourth Proportional to 5,053.65, 6,974.55 and 2,815.89

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Solution

The fourth proportional to 5,053.65, 6,974.55 and 2,815.89 is: 3,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.65 : 6,974.55 = 2,815.89 : x
  2. Step 2: Convert to fraction form
    5,053.65/6,974.55 = 2,815.89/x
  3. Step 3: Cross multiply
    5,053.65x = 6,974.55 × 2,815.89
  4. Step 4: Simplify right side
    5,053.65x = 19,639,565.60
  5. Step 5: Solve for x
    x = 19,639,565.60/5,053.65
  6. Step 6: Final answer
    x = 3,886.21

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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.