Home / 4,216.22-6,320.97-2,106.71

Finding the Fourth Proportional to 4,216.22, 6,320.97 and 2,106.71

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Solution

The fourth proportional to 4,216.22, 6,320.97 and 2,106.71 is: 3,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.22 : 6,320.97 = 2,106.71 : x
  2. Step 2: Convert to fraction form
    4,216.22/6,320.97 = 2,106.71/x
  3. Step 3: Cross multiply
    4,216.22x = 6,320.97 × 2,106.71
  4. Step 4: Simplify right side
    4,216.22x = 13,316,442.81
  5. Step 5: Solve for x
    x = 13,316,442.81/4,216.22
  6. Step 6: Final answer
    x = 3,158.39

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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.