Home / 8,756.15-13,134.45-2,515.91

Finding the Fourth Proportional to 8,756.15, 13,134.45 and 2,515.91

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Solution

The fourth proportional to 8,756.15, 13,134.45 and 2,515.91 is: 3,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.15 : 13,134.45 = 2,515.91 : x
  2. Step 2: Convert to fraction form
    8,756.15/13,134.45 = 2,515.91/x
  3. Step 3: Cross multiply
    8,756.15x = 13,134.45 × 2,515.91
  4. Step 4: Simplify right side
    8,756.15x = 33,045,094.10
  5. Step 5: Solve for x
    x = 33,045,094.10/8,756.15
  6. Step 6: Final answer
    x = 3,773.93

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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.