Home / 4,276.26-6,402.56-2,191.77

Finding the Fourth Proportional to 4,276.26, 6,402.56 and 2,191.77

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Solution

The fourth proportional to 4,276.26, 6,402.56 and 2,191.77 is: 3,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.26 : 6,402.56 = 2,191.77 : x
  2. Step 2: Convert to fraction form
    4,276.26/6,402.56 = 2,191.77/x
  3. Step 3: Cross multiply
    4,276.26x = 6,402.56 × 2,191.77
  4. Step 4: Simplify right side
    4,276.26x = 14,032,927.97
  5. Step 5: Solve for x
    x = 14,032,927.97/4,276.26
  6. Step 6: Final answer
    x = 3,281.59

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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.