Home / 7,250.37-10,875.78-3,450.20

Finding the Fourth Proportional to 7,250.37, 10,875.78 and 3,450.20

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Solution

The fourth proportional to 7,250.37, 10,875.78 and 3,450.20 is: 5,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.37 : 10,875.78 = 3,450.20 : x
  2. Step 2: Convert to fraction form
    7,250.37/10,875.78 = 3,450.20/x
  3. Step 3: Cross multiply
    7,250.37x = 10,875.78 × 3,450.20
  4. Step 4: Simplify right side
    7,250.37x = 37,523,616.16
  5. Step 5: Solve for x
    x = 37,523,616.16/7,250.37
  6. Step 6: Final answer
    x = 5,175.41

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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.