Home / 10,202.45-15,302.46-2,807.66

Finding the Fourth Proportional to 10,202.45, 15,302.46 and 2,807.66

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Solution

The fourth proportional to 10,202.45, 15,302.46 and 2,807.66 is: 4,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.45 : 15,302.46 = 2,807.66 : x
  2. Step 2: Convert to fraction form
    10,202.45/15,302.46 = 2,807.66/x
  3. Step 3: Cross multiply
    10,202.45x = 15,302.46 × 2,807.66
  4. Step 4: Simplify right side
    10,202.45x = 42,964,104.84
  5. Step 5: Solve for x
    x = 42,964,104.84/10,202.45
  6. Step 6: Final answer
    x = 4,211.16

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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.