Home / 5,656.19-7,806.37-3,418.39

Finding the Fourth Proportional to 5,656.19, 7,806.37 and 3,418.39

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Solution

The fourth proportional to 5,656.19, 7,806.37 and 3,418.39 is: 4,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.19 : 7,806.37 = 3,418.39 : x
  2. Step 2: Convert to fraction form
    5,656.19/7,806.37 = 3,418.39/x
  3. Step 3: Cross multiply
    5,656.19x = 7,806.37 × 3,418.39
  4. Step 4: Simplify right side
    5,656.19x = 26,685,217.14
  5. Step 5: Solve for x
    x = 26,685,217.14/5,656.19
  6. Step 6: Final answer
    x = 4,717.88

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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.