Home / 5,009.08-7,514.05-1,311.31

Finding the Fourth Proportional to 5,009.08, 7,514.05 and 1,311.31

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Solution

The fourth proportional to 5,009.08, 7,514.05 and 1,311.31 is: 1,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.08 : 7,514.05 = 1,311.31 : x
  2. Step 2: Convert to fraction form
    5,009.08/7,514.05 = 1,311.31/x
  3. Step 3: Cross multiply
    5,009.08x = 7,514.05 × 1,311.31
  4. Step 4: Simplify right side
    5,009.08x = 9,853,248.91
  5. Step 5: Solve for x
    x = 9,853,248.91/5,009.08
  6. Step 6: Final answer
    x = 1,967.08

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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.