Home / 4,272.95-6,397.85-2,216.63

Finding the Fourth Proportional to 4,272.95, 6,397.85 and 2,216.63

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Solution

The fourth proportional to 4,272.95, 6,397.85 and 2,216.63 is: 3,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.95 : 6,397.85 = 2,216.63 : x
  2. Step 2: Convert to fraction form
    4,272.95/6,397.85 = 2,216.63/x
  3. Step 3: Cross multiply
    4,272.95x = 6,397.85 × 2,216.63
  4. Step 4: Simplify right side
    4,272.95x = 14,181,655.16
  5. Step 5: Solve for x
    x = 14,181,655.16/4,272.95
  6. Step 6: Final answer
    x = 3,318.94

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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.