Home / 6,802.20-10,203.30-1,872.60

Finding the Fourth Proportional to 6,802.20, 10,203.30 and 1,872.60

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Solution

The fourth proportional to 6,802.20, 10,203.30 and 1,872.60 is: 2,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.20 : 10,203.30 = 1,872.60 : x
  2. Step 2: Convert to fraction form
    6,802.20/10,203.30 = 1,872.60/x
  3. Step 3: Cross multiply
    6,802.20x = 10,203.30 × 1,872.60
  4. Step 4: Simplify right side
    6,802.20x = 19,106,699.58
  5. Step 5: Solve for x
    x = 19,106,699.58/6,802.20
  6. Step 6: Final answer
    x = 2,808.90

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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.