Home / 6,221.75-9,331.58-1,838.16

Finding the Fourth Proportional to 6,221.75, 9,331.58 and 1,838.16

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Solution

The fourth proportional to 6,221.75, 9,331.58 and 1,838.16 is: 2,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.75 : 9,331.58 = 1,838.16 : x
  2. Step 2: Convert to fraction form
    6,221.75/9,331.58 = 1,838.16/x
  3. Step 3: Cross multiply
    6,221.75x = 9,331.58 × 1,838.16
  4. Step 4: Simplify right side
    6,221.75x = 17,152,927.90
  5. Step 5: Solve for x
    x = 17,152,927.90/6,221.75
  6. Step 6: Final answer
    x = 2,756.93

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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.