Home / 8,756.56-13,135.38-2,913.76

Finding the Fourth Proportional to 8,756.56, 13,135.38 and 2,913.76

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Solution

The fourth proportional to 8,756.56, 13,135.38 and 2,913.76 is: 4,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.56 : 13,135.38 = 2,913.76 : x
  2. Step 2: Convert to fraction form
    8,756.56/13,135.38 = 2,913.76/x
  3. Step 3: Cross multiply
    8,756.56x = 13,135.38 × 2,913.76
  4. Step 4: Simplify right side
    8,756.56x = 38,273,344.83
  5. Step 5: Solve for x
    x = 38,273,344.83/8,756.56
  6. Step 6: Final answer
    x = 4,370.82

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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.