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Finding the Fourth Proportional to 6,687.90, 10,013.94 and 4,341.11

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Solution

The fourth proportional to 6,687.90, 10,013.94 and 4,341.11 is: 6,500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.90 : 10,013.94 = 4,341.11 : x
  2. Step 2: Convert to fraction form
    6,687.90/10,013.94 = 4,341.11/x
  3. Step 3: Cross multiply
    6,687.90x = 10,013.94 × 4,341.11
  4. Step 4: Simplify right side
    6,687.90x = 43,471,565.00
  5. Step 5: Solve for x
    x = 43,471,565.00/6,687.90
  6. Step 6: Final answer
    x = 6,500.03

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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.