Home / 5,135.44-7,087.62-3,807.04

Finding the Fourth Proportional to 5,135.44, 7,087.62 and 3,807.04

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Solution

The fourth proportional to 5,135.44, 7,087.62 and 3,807.04 is: 5,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.44 : 7,087.62 = 3,807.04 : x
  2. Step 2: Convert to fraction form
    5,135.44/7,087.62 = 3,807.04/x
  3. Step 3: Cross multiply
    5,135.44x = 7,087.62 × 3,807.04
  4. Step 4: Simplify right side
    5,135.44x = 26,982,852.84
  5. Step 5: Solve for x
    x = 26,982,852.84/5,135.44
  6. Step 6: Final answer
    x = 5,254.24

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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.