Home / 7,684.59-11,525.49-2,138.31

Finding the Fourth Proportional to 7,684.59, 11,525.49 and 2,138.31

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Solution

The fourth proportional to 7,684.59, 11,525.49 and 2,138.31 is: 3,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.59 : 11,525.49 = 2,138.31 : x
  2. Step 2: Convert to fraction form
    7,684.59/11,525.49 = 2,138.31/x
  3. Step 3: Cross multiply
    7,684.59x = 11,525.49 × 2,138.31
  4. Step 4: Simplify right side
    7,684.59x = 24,645,070.52
  5. Step 5: Solve for x
    x = 24,645,070.52/7,684.59
  6. Step 6: Final answer
    x = 3,207.08

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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.