Home / 8,839.72-13,260.80-4,454.79

Finding the Fourth Proportional to 8,839.72, 13,260.80 and 4,454.79

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Solution

The fourth proportional to 8,839.72, 13,260.80 and 4,454.79 is: 6,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.72 : 13,260.80 = 4,454.79 : x
  2. Step 2: Convert to fraction form
    8,839.72/13,260.80 = 4,454.79/x
  3. Step 3: Cross multiply
    8,839.72x = 13,260.80 × 4,454.79
  4. Step 4: Simplify right side
    8,839.72x = 59,074,079.23
  5. Step 5: Solve for x
    x = 59,074,079.23/8,839.72
  6. Step 6: Final answer
    x = 6,682.80

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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.