Home / 8,746.56-13,119.84-4,132.80

Finding the Fourth Proportional to 8,746.56, 13,119.84 and 4,132.80

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Solution

The fourth proportional to 8,746.56, 13,119.84 and 4,132.80 is: 6,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.56 : 13,119.84 = 4,132.80 : x
  2. Step 2: Convert to fraction form
    8,746.56/13,119.84 = 4,132.80/x
  3. Step 3: Cross multiply
    8,746.56x = 13,119.84 × 4,132.80
  4. Step 4: Simplify right side
    8,746.56x = 54,221,674.75
  5. Step 5: Solve for x
    x = 54,221,674.75/8,746.56
  6. Step 6: Final answer
    x = 6,199.20

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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.