Home / 5,412.08-8,118.92-1,948.52

Finding the Fourth Proportional to 5,412.08, 8,118.92 and 1,948.52

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Solution

The fourth proportional to 5,412.08, 8,118.92 and 1,948.52 is: 2,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.08 : 8,118.92 = 1,948.52 : x
  2. Step 2: Convert to fraction form
    5,412.08/8,118.92 = 1,948.52/x
  3. Step 3: Cross multiply
    5,412.08x = 8,118.92 × 1,948.52
  4. Step 4: Simplify right side
    5,412.08x = 15,819,878.00
  5. Step 5: Solve for x
    x = 15,819,878.00/5,412.08
  6. Step 6: Final answer
    x = 2,923.07

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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.