Home / 8,764.42-13,138.28-2,916.94

Finding the Fourth Proportional to 8,764.42, 13,138.28 and 2,916.94

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Solution

The fourth proportional to 8,764.42, 13,138.28 and 2,916.94 is: 4,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.42 : 13,138.28 = 2,916.94 : x
  2. Step 2: Convert to fraction form
    8,764.42/13,138.28 = 2,916.94/x
  3. Step 3: Cross multiply
    8,764.42x = 13,138.28 × 2,916.94
  4. Step 4: Simplify right side
    8,764.42x = 38,323,574.46
  5. Step 5: Solve for x
    x = 38,323,574.46/8,764.42
  6. Step 6: Final answer
    x = 4,372.63

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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.