Home / 6,749.16-10,123.68-2,853

Finding the Fourth Proportional to 6,749.16, 10,123.68 and 2,853

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Solution

The fourth proportional to 6,749.16, 10,123.68 and 2,853 is: 4,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.16 : 10,123.68 = 2,853 : x
  2. Step 2: Convert to fraction form
    6,749.16/10,123.68 = 2,853/x
  3. Step 3: Cross multiply
    6,749.16x = 10,123.68 × 2,853
  4. Step 4: Simplify right side
    6,749.16x = 28,882,859.04
  5. Step 5: Solve for x
    x = 28,882,859.04/6,749.16
  6. Step 6: Final answer
    x = 4,279.47

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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.