Home / 8,783.48-13,177.92-3,589.76

Finding the Fourth Proportional to 8,783.48, 13,177.92 and 3,589.76

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Solution

The fourth proportional to 8,783.48, 13,177.92 and 3,589.76 is: 5,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.48 : 13,177.92 = 3,589.76 : x
  2. Step 2: Convert to fraction form
    8,783.48/13,177.92 = 3,589.76/x
  3. Step 3: Cross multiply
    8,783.48x = 13,177.92 × 3,589.76
  4. Step 4: Simplify right side
    8,783.48x = 47,305,570.10
  5. Step 5: Solve for x
    x = 47,305,570.10/8,783.48
  6. Step 6: Final answer
    x = 5,385.74

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1.5x scale

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.