Home / 10,290.91-15,434.57-2,893.61

Finding the Fourth Proportional to 10,290.91, 15,434.57 and 2,893.61

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Solution

The fourth proportional to 10,290.91, 15,434.57 and 2,893.61 is: 4,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.91 : 15,434.57 = 2,893.61 : x
  2. Step 2: Convert to fraction form
    10,290.91/15,434.57 = 2,893.61/x
  3. Step 3: Cross multiply
    10,290.91x = 15,434.57 × 2,893.61
  4. Step 4: Simplify right side
    10,290.91x = 44,661,611.63
  5. Step 5: Solve for x
    x = 44,661,611.63/10,290.91
  6. Step 6: Final answer
    x = 4,339.91

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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.