Home / 4,276.95-6,403.84-2,220.63

Finding the Fourth Proportional to 4,276.95, 6,403.84 and 2,220.63

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Solution

The fourth proportional to 4,276.95, 6,403.84 and 2,220.63 is: 3,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.95 : 6,403.84 = 2,220.63 : x
  2. Step 2: Convert to fraction form
    4,276.95/6,403.84 = 2,220.63/x
  3. Step 3: Cross multiply
    4,276.95x = 6,403.84 × 2,220.63
  4. Step 4: Simplify right side
    4,276.95x = 14,220,559.22
  5. Step 5: Solve for x
    x = 14,220,559.22/4,276.95
  6. Step 6: Final answer
    x = 3,324.93

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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.