Home / 4,144.13-6,216.15-1,678.91

Finding the Fourth Proportional to 4,144.13, 6,216.15 and 1,678.91

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Solution

The fourth proportional to 4,144.13, 6,216.15 and 1,678.91 is: 2,518.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.13 : 6,216.15 = 1,678.91 : x
  2. Step 2: Convert to fraction form
    4,144.13/6,216.15 = 1,678.91/x
  3. Step 3: Cross multiply
    4,144.13x = 6,216.15 × 1,678.91
  4. Step 4: Simplify right side
    4,144.13x = 10,436,325.32
  5. Step 5: Solve for x
    x = 10,436,325.32/4,144.13
  6. Step 6: Final answer
    x = 2,518.34

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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.