Home / 8,634.49-12,951.71-3,707.59

Finding the Fourth Proportional to 8,634.49, 12,951.71 and 3,707.59

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Solution

The fourth proportional to 8,634.49, 12,951.71 and 3,707.59 is: 5,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.49 : 12,951.71 = 3,707.59 : x
  2. Step 2: Convert to fraction form
    8,634.49/12,951.71 = 3,707.59/x
  3. Step 3: Cross multiply
    8,634.49x = 12,951.71 × 3,707.59
  4. Step 4: Simplify right side
    8,634.49x = 48,019,650.28
  5. Step 5: Solve for x
    x = 48,019,650.28/8,634.49
  6. Step 6: Final answer
    x = 5,561.37

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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.