Home / 7,210.68-10,816.08-6,163.89

Finding the Fourth Proportional to 7,210.68, 10,816.08 and 6,163.89

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Solution

The fourth proportional to 7,210.68, 10,816.08 and 6,163.89 is: 9,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.68 : 10,816.08 = 6,163.89 : x
  2. Step 2: Convert to fraction form
    7,210.68/10,816.08 = 6,163.89/x
  3. Step 3: Cross multiply
    7,210.68x = 10,816.08 × 6,163.89
  4. Step 4: Simplify right side
    7,210.68x = 66,669,127.35
  5. Step 5: Solve for x
    x = 66,669,127.35/7,210.68
  6. Step 6: Final answer
    x = 9,245.89

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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.