Home / 5,097.96-7,648.14-1,587.80

Finding the Fourth Proportional to 5,097.96, 7,648.14 and 1,587.80

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Solution

The fourth proportional to 5,097.96, 7,648.14 and 1,587.80 is: 2,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.96 : 7,648.14 = 1,587.80 : x
  2. Step 2: Convert to fraction form
    5,097.96/7,648.14 = 1,587.80/x
  3. Step 3: Cross multiply
    5,097.96x = 7,648.14 × 1,587.80
  4. Step 4: Simplify right side
    5,097.96x = 12,143,716.69
  5. Step 5: Solve for x
    x = 12,143,716.69/5,097.96
  6. Step 6: Final answer
    x = 2,382.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.