Home / 6,710.20-10,065.30-3,938.20

Finding the Fourth Proportional to 6,710.20, 10,065.30 and 3,938.20

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Solution

The fourth proportional to 6,710.20, 10,065.30 and 3,938.20 is: 5,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,710.20 : 10,065.30 = 3,938.20 : x
  2. Step 2: Convert to fraction form
    6,710.20/10,065.30 = 3,938.20/x
  3. Step 3: Cross multiply
    6,710.20x = 10,065.30 × 3,938.20
  4. Step 4: Simplify right side
    6,710.20x = 39,639,164.46
  5. Step 5: Solve for x
    x = 39,639,164.46/6,710.20
  6. Step 6: Final answer
    x = 5,907.30

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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.