Home / 7,042.30-10,562.10-2,112.10

Finding the Fourth Proportional to 7,042.30, 10,562.10 and 2,112.10

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Solution

The fourth proportional to 7,042.30, 10,562.10 and 2,112.10 is: 3,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.30 : 10,562.10 = 2,112.10 : x
  2. Step 2: Convert to fraction form
    7,042.30/10,562.10 = 2,112.10/x
  3. Step 3: Cross multiply
    7,042.30x = 10,562.10 × 2,112.10
  4. Step 4: Simplify right side
    7,042.30x = 22,308,211.41
  5. Step 5: Solve for x
    x = 22,308,211.41/7,042.30
  6. Step 6: Final answer
    x = 3,167.75

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1.5x scale

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.