Home / 8,758.34-13,134.66-2,913.38

Finding the Fourth Proportional to 8,758.34, 13,134.66 and 2,913.38

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Solution

The fourth proportional to 8,758.34, 13,134.66 and 2,913.38 is: 4,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.34 : 13,134.66 = 2,913.38 : x
  2. Step 2: Convert to fraction form
    8,758.34/13,134.66 = 2,913.38/x
  3. Step 3: Cross multiply
    8,758.34x = 13,134.66 × 2,913.38
  4. Step 4: Simplify right side
    8,758.34x = 38,266,255.75
  5. Step 5: Solve for x
    x = 38,266,255.75/8,758.34
  6. Step 6: Final answer
    x = 4,369.12

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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.