Home / 7,707.47-11,560.28-2,161.26

Finding the Fourth Proportional to 7,707.47, 11,560.28 and 2,161.26

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Solution

The fourth proportional to 7,707.47, 11,560.28 and 2,161.26 is: 3,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.47 : 11,560.28 = 2,161.26 : x
  2. Step 2: Convert to fraction form
    7,707.47/11,560.28 = 2,161.26/x
  3. Step 3: Cross multiply
    7,707.47x = 11,560.28 × 2,161.26
  4. Step 4: Simplify right side
    7,707.47x = 24,984,759.95
  5. Step 5: Solve for x
    x = 24,984,759.95/7,707.47
  6. Step 6: Final answer
    x = 3,241.63

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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.