Home / 6,802.80-10,203.72-1,872.06

Finding the Fourth Proportional to 6,802.80, 10,203.72 and 1,872.06

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Solution

The fourth proportional to 6,802.80, 10,203.72 and 1,872.06 is: 2,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.80 : 10,203.72 = 1,872.06 : x
  2. Step 2: Convert to fraction form
    6,802.80/10,203.72 = 1,872.06/x
  3. Step 3: Cross multiply
    6,802.80x = 10,203.72 × 1,872.06
  4. Step 4: Simplify right side
    6,802.80x = 19,101,976.06
  5. Step 5: Solve for x
    x = 19,101,976.06/6,802.80
  6. Step 6: Final answer
    x = 2,807.96

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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.