Home / 8,725.51-13,085.43-3,793.69

Finding the Fourth Proportional to 8,725.51, 13,085.43 and 3,793.69

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Solution

The fourth proportional to 8,725.51, 13,085.43 and 3,793.69 is: 5,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.51 : 13,085.43 = 3,793.69 : x
  2. Step 2: Convert to fraction form
    8,725.51/13,085.43 = 3,793.69/x
  3. Step 3: Cross multiply
    8,725.51x = 13,085.43 × 3,793.69
  4. Step 4: Simplify right side
    8,725.51x = 49,642,064.94
  5. Step 5: Solve for x
    x = 49,642,064.94/8,725.51
  6. Step 6: Final answer
    x = 5,689.30

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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.