Home / 6,885.09-10,327.65-1,690.98

Finding the Fourth Proportional to 6,885.09, 10,327.65 and 1,690.98

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Solution

The fourth proportional to 6,885.09, 10,327.65 and 1,690.98 is: 2,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.09 : 10,327.65 = 1,690.98 : x
  2. Step 2: Convert to fraction form
    6,885.09/10,327.65 = 1,690.98/x
  3. Step 3: Cross multiply
    6,885.09x = 10,327.65 × 1,690.98
  4. Step 4: Simplify right side
    6,885.09x = 17,463,849.60
  5. Step 5: Solve for x
    x = 17,463,849.60/6,885.09
  6. Step 6: Final answer
    x = 2,536.47

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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.