Home / 6,749.76-10,122.90-2,590.02

Finding the Fourth Proportional to 6,749.76, 10,122.90 and 2,590.02

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Solution

The fourth proportional to 6,749.76, 10,122.90 and 2,590.02 is: 3,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.76 : 10,122.90 = 2,590.02 : x
  2. Step 2: Convert to fraction form
    6,749.76/10,122.90 = 2,590.02/x
  3. Step 3: Cross multiply
    6,749.76x = 10,122.90 × 2,590.02
  4. Step 4: Simplify right side
    6,749.76x = 26,218,513.46
  5. Step 5: Solve for x
    x = 26,218,513.46/6,749.76
  6. Step 6: Final answer
    x = 3,884.36

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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.