Home / 7,270.68-10,900.98-3,810.36

Finding the Fourth Proportional to 7,270.68, 10,900.98 and 3,810.36

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Solution

The fourth proportional to 7,270.68, 10,900.98 and 3,810.36 is: 5,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.68 : 10,900.98 = 3,810.36 : x
  2. Step 2: Convert to fraction form
    7,270.68/10,900.98 = 3,810.36/x
  3. Step 3: Cross multiply
    7,270.68x = 10,900.98 × 3,810.36
  4. Step 4: Simplify right side
    7,270.68x = 41,536,658.15
  5. Step 5: Solve for x
    x = 41,536,658.15/7,270.68
  6. Step 6: Final answer
    x = 5,712.90

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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.