Home / 4,138.77-6,210.39-3,216.18

Finding the Fourth Proportional to 4,138.77, 6,210.39 and 3,216.18

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Solution

The fourth proportional to 4,138.77, 6,210.39 and 3,216.18 is: 4,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.77 : 6,210.39 = 3,216.18 : x
  2. Step 2: Convert to fraction form
    4,138.77/6,210.39 = 3,216.18/x
  3. Step 3: Cross multiply
    4,138.77x = 6,210.39 × 3,216.18
  4. Step 4: Simplify right side
    4,138.77x = 19,973,732.11
  5. Step 5: Solve for x
    x = 19,973,732.11/4,138.77
  6. Step 6: Final answer
    x = 4,826.01

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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.