Home / 6,931.85-9,567.65-3,949.44

Finding the Fourth Proportional to 6,931.85, 9,567.65 and 3,949.44

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Solution

The fourth proportional to 6,931.85, 9,567.65 and 3,949.44 is: 5,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.85 : 9,567.65 = 3,949.44 : x
  2. Step 2: Convert to fraction form
    6,931.85/9,567.65 = 3,949.44/x
  3. Step 3: Cross multiply
    6,931.85x = 9,567.65 × 3,949.44
  4. Step 4: Simplify right side
    6,931.85x = 37,786,865.21
  5. Step 5: Solve for x
    x = 37,786,865.21/6,931.85
  6. Step 6: Final answer
    x = 5,451.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.