Home / 7,761.42-11,631.65-4,246.12

Finding the Fourth Proportional to 7,761.42, 11,631.65 and 4,246.12

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Solution

The fourth proportional to 7,761.42, 11,631.65 and 4,246.12 is: 6,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.42 : 11,631.65 = 4,246.12 : x
  2. Step 2: Convert to fraction form
    7,761.42/11,631.65 = 4,246.12/x
  3. Step 3: Cross multiply
    7,761.42x = 11,631.65 × 4,246.12
  4. Step 4: Simplify right side
    7,761.42x = 49,389,398.89
  5. Step 5: Solve for x
    x = 49,389,398.89/7,761.42
  6. Step 6: Final answer
    x = 6,363.45

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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.