Home / 10,202.97-15,301.94-2,807.07

Finding the Fourth Proportional to 10,202.97, 15,301.94 and 2,807.07

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Solution

The fourth proportional to 10,202.97, 15,301.94 and 2,807.07 is: 4,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.97 : 15,301.94 = 2,807.07 : x
  2. Step 2: Convert to fraction form
    10,202.97/15,301.94 = 2,807.07/x
  3. Step 3: Cross multiply
    10,202.97x = 15,301.94 × 2,807.07
  4. Step 4: Simplify right side
    10,202.97x = 42,953,602.68
  5. Step 5: Solve for x
    x = 42,953,602.68/10,202.97
  6. Step 6: Final answer
    x = 4,209.91

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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.