Home / 7,206.66-10,811.61-5,214.87

Finding the Fourth Proportional to 7,206.66, 10,811.61 and 5,214.87

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Solution

The fourth proportional to 7,206.66, 10,811.61 and 5,214.87 is: 7,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.66 : 10,811.61 = 5,214.87 : x
  2. Step 2: Convert to fraction form
    7,206.66/10,811.61 = 5,214.87/x
  3. Step 3: Cross multiply
    7,206.66x = 10,811.61 × 5,214.87
  4. Step 4: Simplify right side
    7,206.66x = 56,381,140.64
  5. Step 5: Solve for x
    x = 56,381,140.64/7,206.66
  6. Step 6: Final answer
    x = 7,823.48

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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.