Home / 4,812-7,217.88-1,525.28

Finding the Fourth Proportional to 4,812, 7,217.88 and 1,525.28

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Solution

The fourth proportional to 4,812, 7,217.88 and 1,525.28 is: 2,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812 : 7,217.88 = 1,525.28 : x
  2. Step 2: Convert to fraction form
    4,812/7,217.88 = 1,525.28/x
  3. Step 3: Cross multiply
    4,812x = 7,217.88 × 1,525.28
  4. Step 4: Simplify right side
    4,812x = 11,009,288.01
  5. Step 5: Solve for x
    x = 11,009,288.01/4,812
  6. Step 6: Final answer
    x = 2,287.88

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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.