Home / 7,261.74-10,885.95-2,641.50

Finding the Fourth Proportional to 7,261.74, 10,885.95 and 2,641.50

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Solution

The fourth proportional to 7,261.74, 10,885.95 and 2,641.50 is: 3,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.74 : 10,885.95 = 2,641.50 : x
  2. Step 2: Convert to fraction form
    7,261.74/10,885.95 = 2,641.50/x
  3. Step 3: Cross multiply
    7,261.74x = 10,885.95 × 2,641.50
  4. Step 4: Simplify right side
    7,261.74x = 28,755,236.93
  5. Step 5: Solve for x
    x = 28,755,236.93/7,261.74
  6. Step 6: Final answer
    x = 3,959.83

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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.