Home / 5,236.10-7,225.92-2,878.34

Finding the Fourth Proportional to 5,236.10, 7,225.92 and 2,878.34

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Solution

The fourth proportional to 5,236.10, 7,225.92 and 2,878.34 is: 3,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.10 : 7,225.92 = 2,878.34 : x
  2. Step 2: Convert to fraction form
    5,236.10/7,225.92 = 2,878.34/x
  3. Step 3: Cross multiply
    5,236.10x = 7,225.92 × 2,878.34
  4. Step 4: Simplify right side
    5,236.10x = 20,798,654.57
  5. Step 5: Solve for x
    x = 20,798,654.57/5,236.10
  6. Step 6: Final answer
    x = 3,972.17

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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.