Home / 6,380.03-9,574.41-2,220

Finding the Fourth Proportional to 6,380.03, 9,574.41 and 2,220

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Solution

The fourth proportional to 6,380.03, 9,574.41 and 2,220 is: 3,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.03 : 9,574.41 = 2,220 : x
  2. Step 2: Convert to fraction form
    6,380.03/9,574.41 = 2,220/x
  3. Step 3: Cross multiply
    6,380.03x = 9,574.41 × 2,220
  4. Step 4: Simplify right side
    6,380.03x = 21,255,179.10
  5. Step 5: Solve for x
    x = 21,255,179.10/6,380.03
  6. Step 6: Final answer
    x = 3,331.52

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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.