Home / 4,492.80-6,743.20-2,641.60

Finding the Fourth Proportional to 4,492.80, 6,743.20 and 2,641.60

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Solution

The fourth proportional to 4,492.80, 6,743.20 and 2,641.60 is: 3,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,492.80 : 6,743.20 = 2,641.60 : x
  2. Step 2: Convert to fraction form
    4,492.80/6,743.20 = 2,641.60/x
  3. Step 3: Cross multiply
    4,492.80x = 6,743.20 × 2,641.60
  4. Step 4: Simplify right side
    4,492.80x = 17,812,837.12
  5. Step 5: Solve for x
    x = 17,812,837.12/4,492.80
  6. Step 6: Final answer
    x = 3,964.75

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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.