Home / 7,206.42-10,811.16-4,087.86

Finding the Fourth Proportional to 7,206.42, 10,811.16 and 4,087.86

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Solution

The fourth proportional to 7,206.42, 10,811.16 and 4,087.86 is: 6,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.42 : 10,811.16 = 4,087.86 : x
  2. Step 2: Convert to fraction form
    7,206.42/10,811.16 = 4,087.86/x
  3. Step 3: Cross multiply
    7,206.42x = 10,811.16 × 4,087.86
  4. Step 4: Simplify right side
    7,206.42x = 44,194,508.52
  5. Step 5: Solve for x
    x = 44,194,508.52/7,206.42
  6. Step 6: Final answer
    x = 6,132.66

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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.