Home / 6,931.08-10,394.60-3,180.76

Finding the Fourth Proportional to 6,931.08, 10,394.60 and 3,180.76

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Solution

The fourth proportional to 6,931.08, 10,394.60 and 3,180.76 is: 4,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.08 : 10,394.60 = 3,180.76 : x
  2. Step 2: Convert to fraction form
    6,931.08/10,394.60 = 3,180.76/x
  3. Step 3: Cross multiply
    6,931.08x = 10,394.60 × 3,180.76
  4. Step 4: Simplify right side
    6,931.08x = 33,062,727.90
  5. Step 5: Solve for x
    x = 33,062,727.90/6,931.08
  6. Step 6: Final answer
    x = 4,770.21

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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.