Home / 9,261.41-12,784.85-5,908.62

Finding the Fourth Proportional to 9,261.41, 12,784.85 and 5,908.62

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Solution

The fourth proportional to 9,261.41, 12,784.85 and 5,908.62 is: 8,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.41 : 12,784.85 = 5,908.62 : x
  2. Step 2: Convert to fraction form
    9,261.41/12,784.85 = 5,908.62/x
  3. Step 3: Cross multiply
    9,261.41x = 12,784.85 × 5,908.62
  4. Step 4: Simplify right side
    9,261.41x = 75,540,820.41
  5. Step 5: Solve for x
    x = 75,540,820.41/9,261.41
  6. Step 6: Final answer
    x = 8,156.51

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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.