Home / 6,909.11-10,366.25-4,137.74

Finding the Fourth Proportional to 6,909.11, 10,366.25 and 4,137.74

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Solution

The fourth proportional to 6,909.11, 10,366.25 and 4,137.74 is: 6,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.11 : 10,366.25 = 4,137.74 : x
  2. Step 2: Convert to fraction form
    6,909.11/10,366.25 = 4,137.74/x
  3. Step 3: Cross multiply
    6,909.11x = 10,366.25 × 4,137.74
  4. Step 4: Simplify right side
    6,909.11x = 42,892,774.76
  5. Step 5: Solve for x
    x = 42,892,774.76/6,909.11
  6. Step 6: Final answer
    x = 6,208.15

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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.