Home / 8,501.10-12,750.40-2,261.49

Finding the Fourth Proportional to 8,501.10, 12,750.40 and 2,261.49

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Solution

The fourth proportional to 8,501.10, 12,750.40 and 2,261.49 is: 3,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.10 : 12,750.40 = 2,261.49 : x
  2. Step 2: Convert to fraction form
    8,501.10/12,750.40 = 2,261.49/x
  3. Step 3: Cross multiply
    8,501.10x = 12,750.40 × 2,261.49
  4. Step 4: Simplify right side
    8,501.10x = 28,834,902.10
  5. Step 5: Solve for x
    x = 28,834,902.10/8,501.10
  6. Step 6: Final answer
    x = 3,391.90

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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.