Home / 6,210.90-9,317.70-2,922.20

Finding the Fourth Proportional to 6,210.90, 9,317.70 and 2,922.20

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Solution

The fourth proportional to 6,210.90, 9,317.70 and 2,922.20 is: 4,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.90 : 9,317.70 = 2,922.20 : x
  2. Step 2: Convert to fraction form
    6,210.90/9,317.70 = 2,922.20/x
  3. Step 3: Cross multiply
    6,210.90x = 9,317.70 × 2,922.20
  4. Step 4: Simplify right side
    6,210.90x = 27,228,136.35
  5. Step 5: Solve for x
    x = 27,228,136.35/6,210.90
  6. Step 6: Final answer
    x = 4,383.93

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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.