Home / 6,221.98-9,331.95-1,838.41

Finding the Fourth Proportional to 6,221.98, 9,331.95 and 1,838.41

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Solution

The fourth proportional to 6,221.98, 9,331.95 and 1,838.41 is: 2,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.98 : 9,331.95 = 1,838.41 : x
  2. Step 2: Convert to fraction form
    6,221.98/9,331.95 = 1,838.41/x
  3. Step 3: Cross multiply
    6,221.98x = 9,331.95 × 1,838.41
  4. Step 4: Simplify right side
    6,221.98x = 17,155,950.20
  5. Step 5: Solve for x
    x = 17,155,950.20/6,221.98
  6. Step 6: Final answer
    x = 2,757.31

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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.