Home / 9,168.20-13,756.02-3,325.28

Finding the Fourth Proportional to 9,168.20, 13,756.02 and 3,325.28

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Solution

The fourth proportional to 9,168.20, 13,756.02 and 3,325.28 is: 4,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.20 : 13,756.02 = 3,325.28 : x
  2. Step 2: Convert to fraction form
    9,168.20/13,756.02 = 3,325.28/x
  3. Step 3: Cross multiply
    9,168.20x = 13,756.02 × 3,325.28
  4. Step 4: Simplify right side
    9,168.20x = 45,742,618.19
  5. Step 5: Solve for x
    x = 45,742,618.19/9,168.20
  6. Step 6: Final answer
    x = 4,989.27

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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.