Home / 5,267.20-7,903.20-2,492.80

Finding the Fourth Proportional to 5,267.20, 7,903.20 and 2,492.80

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Solution

The fourth proportional to 5,267.20, 7,903.20 and 2,492.80 is: 3,740.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.20 : 7,903.20 = 2,492.80 : x
  2. Step 2: Convert to fraction form
    5,267.20/7,903.20 = 2,492.80/x
  3. Step 3: Cross multiply
    5,267.20x = 7,903.20 × 2,492.80
  4. Step 4: Simplify right side
    5,267.20x = 19,701,096.96
  5. Step 5: Solve for x
    x = 19,701,096.96/5,267.20
  6. Step 6: Final answer
    x = 3,740.34

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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.