Home / 6,884.79-10,327.18-1,690.66

Finding the Fourth Proportional to 6,884.79, 10,327.18 and 1,690.66

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Solution

The fourth proportional to 6,884.79, 10,327.18 and 1,690.66 is: 2,535.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.79 : 10,327.18 = 1,690.66 : x
  2. Step 2: Convert to fraction form
    6,884.79/10,327.18 = 1,690.66/x
  3. Step 3: Cross multiply
    6,884.79x = 10,327.18 × 1,690.66
  4. Step 4: Simplify right side
    6,884.79x = 17,459,750.14
  5. Step 5: Solve for x
    x = 17,459,750.14/6,884.79
  6. Step 6: Final answer
    x = 2,535.99

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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.