Home / 6,885.15-10,321.92-2,986.62

Finding the Fourth Proportional to 6,885.15, 10,321.92 and 2,986.62

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Solution

The fourth proportional to 6,885.15, 10,321.92 and 2,986.62 is: 4,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.15 : 10,321.92 = 2,986.62 : x
  2. Step 2: Convert to fraction form
    6,885.15/10,321.92 = 2,986.62/x
  3. Step 3: Cross multiply
    6,885.15x = 10,321.92 × 2,986.62
  4. Step 4: Simplify right side
    6,885.15x = 30,827,652.71
  5. Step 5: Solve for x
    x = 30,827,652.71/6,885.15
  6. Step 6: Final answer
    x = 4,477.41

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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.