Home / 8,999.16-13,498.74-2,759.19

Finding the Fourth Proportional to 8,999.16, 13,498.74 and 2,759.19

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Solution

The fourth proportional to 8,999.16, 13,498.74 and 2,759.19 is: 4,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.16 : 13,498.74 = 2,759.19 : x
  2. Step 2: Convert to fraction form
    8,999.16/13,498.74 = 2,759.19/x
  3. Step 3: Cross multiply
    8,999.16x = 13,498.74 × 2,759.19
  4. Step 4: Simplify right side
    8,999.16x = 37,245,588.42
  5. Step 5: Solve for x
    x = 37,245,588.42/8,999.16
  6. Step 6: Final answer
    x = 4,138.79

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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.