Home / 5,238.32-7,230.41-3,115.34

Finding the Fourth Proportional to 5,238.32, 7,230.41 and 3,115.34

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Solution

The fourth proportional to 5,238.32, 7,230.41 and 3,115.34 is: 4,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.32 : 7,230.41 = 3,115.34 : x
  2. Step 2: Convert to fraction form
    5,238.32/7,230.41 = 3,115.34/x
  3. Step 3: Cross multiply
    5,238.32x = 7,230.41 × 3,115.34
  4. Step 4: Simplify right side
    5,238.32x = 22,525,185.49
  5. Step 5: Solve for x
    x = 22,525,185.49/5,238.32
  6. Step 6: Final answer
    x = 4,300.08

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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.