Home / 6,102.20-9,154.80-1,719.60

Finding the Fourth Proportional to 6,102.20, 9,154.80 and 1,719.60

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Solution

The fourth proportional to 6,102.20, 9,154.80 and 1,719.60 is: 2,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.20 : 9,154.80 = 1,719.60 : x
  2. Step 2: Convert to fraction form
    6,102.20/9,154.80 = 1,719.60/x
  3. Step 3: Cross multiply
    6,102.20x = 9,154.80 × 1,719.60
  4. Step 4: Simplify right side
    6,102.20x = 15,742,594.08
  5. Step 5: Solve for x
    x = 15,742,594.08/6,102.20
  6. Step 6: Final answer
    x = 2,579.82

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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.