Home / 8,418.39-11,618.43-4,834.47

Finding the Fourth Proportional to 8,418.39, 11,618.43 and 4,834.47

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Solution

The fourth proportional to 8,418.39, 11,618.43 and 4,834.47 is: 6,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.39 : 11,618.43 = 4,834.47 : x
  2. Step 2: Convert to fraction form
    8,418.39/11,618.43 = 4,834.47/x
  3. Step 3: Cross multiply
    8,418.39x = 11,618.43 × 4,834.47
  4. Step 4: Simplify right side
    8,418.39x = 56,168,951.28
  5. Step 5: Solve for x
    x = 56,168,951.28/8,418.39
  6. Step 6: Final answer
    x = 6,672.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.