Home / 4,355.90-6,012.19-2,678.39

Finding the Fourth Proportional to 4,355.90, 6,012.19 and 2,678.39

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Solution

The fourth proportional to 4,355.90, 6,012.19 and 2,678.39 is: 3,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.90 : 6,012.19 = 2,678.39 : x
  2. Step 2: Convert to fraction form
    4,355.90/6,012.19 = 2,678.39/x
  3. Step 3: Cross multiply
    4,355.90x = 6,012.19 × 2,678.39
  4. Step 4: Simplify right side
    4,355.90x = 16,102,989.57
  5. Step 5: Solve for x
    x = 16,102,989.57/4,355.90
  6. Step 6: Final answer
    x = 3,696.82

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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.