Home / 6,884.92-10,327.40-1,690.80

Finding the Fourth Proportional to 6,884.92, 10,327.40 and 1,690.80

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Solution

The fourth proportional to 6,884.92, 10,327.40 and 1,690.80 is: 2,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.92 : 10,327.40 = 1,690.80 : x
  2. Step 2: Convert to fraction form
    6,884.92/10,327.40 = 1,690.80/x
  3. Step 3: Cross multiply
    6,884.92x = 10,327.40 × 1,690.80
  4. Step 4: Simplify right side
    6,884.92x = 17,461,567.92
  5. Step 5: Solve for x
    x = 17,461,567.92/6,884.92
  6. Step 6: Final answer
    x = 2,536.20

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1.5x scale

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.