Home / 8,977.55-13,469.56-3,135.02

Finding the Fourth Proportional to 8,977.55, 13,469.56 and 3,135.02

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Solution

The fourth proportional to 8,977.55, 13,469.56 and 3,135.02 is: 4,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.55 : 13,469.56 = 3,135.02 : x
  2. Step 2: Convert to fraction form
    8,977.55/13,469.56 = 3,135.02/x
  3. Step 3: Cross multiply
    8,977.55x = 13,469.56 × 3,135.02
  4. Step 4: Simplify right side
    8,977.55x = 42,227,264.81
  5. Step 5: Solve for x
    x = 42,227,264.81/8,977.55
  6. Step 6: Final answer
    x = 4,703.65

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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.