Home / 10,202.28-14,078.20-5,725.36

Finding the Fourth Proportional to 10,202.28, 14,078.20 and 5,725.36

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Solution

The fourth proportional to 10,202.28, 14,078.20 and 5,725.36 is: 7,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.28 : 14,078.20 = 5,725.36 : x
  2. Step 2: Convert to fraction form
    10,202.28/14,078.20 = 5,725.36/x
  3. Step 3: Cross multiply
    10,202.28x = 14,078.20 × 5,725.36
  4. Step 4: Simplify right side
    10,202.28x = 80,602,763.15
  5. Step 5: Solve for x
    x = 80,602,763.15/10,202.28
  6. Step 6: Final answer
    x = 7,900.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.