Home / 8,748.28-13,118.47-2,506.86

Finding the Fourth Proportional to 8,748.28, 13,118.47 and 2,506.86

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Solution

The fourth proportional to 8,748.28, 13,118.47 and 2,506.86 is: 3,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.28 : 13,118.47 = 2,506.86 : x
  2. Step 2: Convert to fraction form
    8,748.28/13,118.47 = 2,506.86/x
  3. Step 3: Cross multiply
    8,748.28x = 13,118.47 × 2,506.86
  4. Step 4: Simplify right side
    8,748.28x = 32,886,155.17
  5. Step 5: Solve for x
    x = 32,886,155.17/8,748.28
  6. Step 6: Final answer
    x = 3,759.16

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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.