Home / 5,525.78-8,289.97-1,828.01

Finding the Fourth Proportional to 5,525.78, 8,289.97 and 1,828.01

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Solution

The fourth proportional to 5,525.78, 8,289.97 and 1,828.01 is: 2,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.78 : 8,289.97 = 1,828.01 : x
  2. Step 2: Convert to fraction form
    5,525.78/8,289.97 = 1,828.01/x
  3. Step 3: Cross multiply
    5,525.78x = 8,289.97 × 1,828.01
  4. Step 4: Simplify right side
    5,525.78x = 15,154,148.06
  5. Step 5: Solve for x
    x = 15,154,148.06/5,525.78
  6. Step 6: Final answer
    x = 2,742.45

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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.