Home / 6,884.13-10,326.29-1,690

Finding the Fourth Proportional to 6,884.13, 10,326.29 and 1,690

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Solution

The fourth proportional to 6,884.13, 10,326.29 and 1,690 is: 2,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.13 : 10,326.29 = 1,690 : x
  2. Step 2: Convert to fraction form
    6,884.13/10,326.29 = 1,690/x
  3. Step 3: Cross multiply
    6,884.13x = 10,326.29 × 1,690
  4. Step 4: Simplify right side
    6,884.13x = 17,451,430.10
  5. Step 5: Solve for x
    x = 17,451,430.10/6,884.13
  6. Step 6: Final answer
    x = 2,535.02

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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.