Home / 6,715.40-10,062.30-3,423.56

Finding the Fourth Proportional to 6,715.40, 10,062.30 and 3,423.56

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Solution

The fourth proportional to 6,715.40, 10,062.30 and 3,423.56 is: 5,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.40 : 10,062.30 = 3,423.56 : x
  2. Step 2: Convert to fraction form
    6,715.40/10,062.30 = 3,423.56/x
  3. Step 3: Cross multiply
    6,715.40x = 10,062.30 × 3,423.56
  4. Step 4: Simplify right side
    6,715.40x = 34,448,887.79
  5. Step 5: Solve for x
    x = 34,448,887.79/6,715.40
  6. Step 6: Final answer
    x = 5,129.83

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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.