Home / 5,116.13-7,674.17-1,606.40

Finding the Fourth Proportional to 5,116.13, 7,674.17 and 1,606.40

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Solution

The fourth proportional to 5,116.13, 7,674.17 and 1,606.40 is: 2,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.13 : 7,674.17 = 1,606.40 : x
  2. Step 2: Convert to fraction form
    5,116.13/7,674.17 = 1,606.40/x
  3. Step 3: Cross multiply
    5,116.13x = 7,674.17 × 1,606.40
  4. Step 4: Simplify right side
    5,116.13x = 12,327,786.69
  5. Step 5: Solve for x
    x = 12,327,786.69/5,116.13
  6. Step 6: Final answer
    x = 2,409.59

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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.