Home / 8,197.85-12,293.75-2,931.44

Finding the Fourth Proportional to 8,197.85, 12,293.75 and 2,931.44

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Solution

The fourth proportional to 8,197.85, 12,293.75 and 2,931.44 is: 4,396.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197.85 : 12,293.75 = 2,931.44 : x
  2. Step 2: Convert to fraction form
    8,197.85/12,293.75 = 2,931.44/x
  3. Step 3: Cross multiply
    8,197.85x = 12,293.75 × 2,931.44
  4. Step 4: Simplify right side
    8,197.85x = 36,038,329.03
  5. Step 5: Solve for x
    x = 36,038,329.03/8,197.85
  6. Step 6: Final answer
    x = 4,396.07

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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.