Home / 7,102.29-10,654.35-3,810.87

Finding the Fourth Proportional to 7,102.29, 10,654.35 and 3,810.87

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Solution

The fourth proportional to 7,102.29, 10,654.35 and 3,810.87 is: 5,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102.29 : 10,654.35 = 3,810.87 : x
  2. Step 2: Convert to fraction form
    7,102.29/10,654.35 = 3,810.87/x
  3. Step 3: Cross multiply
    7,102.29x = 10,654.35 × 3,810.87
  4. Step 4: Simplify right side
    7,102.29x = 40,602,342.78
  5. Step 5: Solve for x
    x = 40,602,342.78/7,102.29
  6. Step 6: Final answer
    x = 5,716.80

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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.