Home / 7,064.07-9,748.38-3,877.42

Finding the Fourth Proportional to 7,064.07, 9,748.38 and 3,877.42

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Solution

The fourth proportional to 7,064.07, 9,748.38 and 3,877.42 is: 5,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.07 : 9,748.38 = 3,877.42 : x
  2. Step 2: Convert to fraction form
    7,064.07/9,748.38 = 3,877.42/x
  3. Step 3: Cross multiply
    7,064.07x = 9,748.38 × 3,877.42
  4. Step 4: Simplify right side
    7,064.07x = 37,798,514.84
  5. Step 5: Solve for x
    x = 37,798,514.84/7,064.07
  6. Step 6: Final answer
    x = 5,350.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.