Home / 8,087.76-12,130.82-2,541.16

Finding the Fourth Proportional to 8,087.76, 12,130.82 and 2,541.16

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Solution

The fourth proportional to 8,087.76, 12,130.82 and 2,541.16 is: 3,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.76 : 12,130.82 = 2,541.16 : x
  2. Step 2: Convert to fraction form
    8,087.76/12,130.82 = 2,541.16/x
  3. Step 3: Cross multiply
    8,087.76x = 12,130.82 × 2,541.16
  4. Step 4: Simplify right side
    8,087.76x = 30,826,354.55
  5. Step 5: Solve for x
    x = 30,826,354.55/8,087.76
  6. Step 6: Final answer
    x = 3,811.48

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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.