Home / 8,756.17-13,135-3,758.76

Finding the Fourth Proportional to 8,756.17, 13,135 and 3,758.76

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Solution

The fourth proportional to 8,756.17, 13,135 and 3,758.76 is: 5,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.17 : 13,135 = 3,758.76 : x
  2. Step 2: Convert to fraction form
    8,756.17/13,135 = 3,758.76/x
  3. Step 3: Cross multiply
    8,756.17x = 13,135 × 3,758.76
  4. Step 4: Simplify right side
    8,756.17x = 49,371,312.60
  5. Step 5: Solve for x
    x = 49,371,312.60/8,756.17
  6. Step 6: Final answer
    x = 5,638.46

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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.