Home / 5,095.20-7,643.68-1,808.48

Finding the Fourth Proportional to 5,095.20, 7,643.68 and 1,808.48

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Solution

The fourth proportional to 5,095.20, 7,643.68 and 1,808.48 is: 2,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.20 : 7,643.68 = 1,808.48 : x
  2. Step 2: Convert to fraction form
    5,095.20/7,643.68 = 1,808.48/x
  3. Step 3: Cross multiply
    5,095.20x = 7,643.68 × 1,808.48
  4. Step 4: Simplify right side
    5,095.20x = 13,823,442.41
  5. Step 5: Solve for x
    x = 13,823,442.41/5,095.20
  6. Step 6: Final answer
    x = 2,713.03

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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.