Home / 7,912.11-11,864.52-4,626.21

Finding the Fourth Proportional to 7,912.11, 11,864.52 and 4,626.21

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Solution

The fourth proportional to 7,912.11, 11,864.52 and 4,626.21 is: 6,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.11 : 11,864.52 = 4,626.21 : x
  2. Step 2: Convert to fraction form
    7,912.11/11,864.52 = 4,626.21/x
  3. Step 3: Cross multiply
    7,912.11x = 11,864.52 × 4,626.21
  4. Step 4: Simplify right side
    7,912.11x = 54,887,761.07
  5. Step 5: Solve for x
    x = 54,887,761.07/7,912.11
  6. Step 6: Final answer
    x = 6,937.18

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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.