Home / 4,212.54-6,340.80-3,578.34

Finding the Fourth Proportional to 4,212.54, 6,340.80 and 3,578.34

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Solution

The fourth proportional to 4,212.54, 6,340.80 and 3,578.34 is: 5,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.54 : 6,340.80 = 3,578.34 : x
  2. Step 2: Convert to fraction form
    4,212.54/6,340.80 = 3,578.34/x
  3. Step 3: Cross multiply
    4,212.54x = 6,340.80 × 3,578.34
  4. Step 4: Simplify right side
    4,212.54x = 22,689,538.27
  5. Step 5: Solve for x
    x = 22,689,538.27/4,212.54
  6. Step 6: Final answer
    x = 5,386.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.