Home / 9,261.74-12,781.05-5,282.84

Finding the Fourth Proportional to 9,261.74, 12,781.05 and 5,282.84

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Solution

The fourth proportional to 9,261.74, 12,781.05 and 5,282.84 is: 7,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.74 : 12,781.05 = 5,282.84 : x
  2. Step 2: Convert to fraction form
    9,261.74/12,781.05 = 5,282.84/x
  3. Step 3: Cross multiply
    9,261.74x = 12,781.05 × 5,282.84
  4. Step 4: Simplify right side
    9,261.74x = 67,520,242.18
  5. Step 5: Solve for x
    x = 67,520,242.18/9,261.74
  6. Step 6: Final answer
    x = 7,290.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.