Home / 7,761.16-11,634.85-3,376.23

Finding the Fourth Proportional to 7,761.16, 11,634.85 and 3,376.23

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Solution

The fourth proportional to 7,761.16, 11,634.85 and 3,376.23 is: 5,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.16 : 11,634.85 = 3,376.23 : x
  2. Step 2: Convert to fraction form
    7,761.16/11,634.85 = 3,376.23/x
  3. Step 3: Cross multiply
    7,761.16x = 11,634.85 × 3,376.23
  4. Step 4: Simplify right side
    7,761.16x = 39,281,929.62
  5. Step 5: Solve for x
    x = 39,281,929.62/7,761.16
  6. Step 6: Final answer
    x = 5,061.35

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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.