Home / 7,089.93-10,634.29-2,160.68

Finding the Fourth Proportional to 7,089.93, 10,634.29 and 2,160.68

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Solution

The fourth proportional to 7,089.93, 10,634.29 and 2,160.68 is: 3,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.93 : 10,634.29 = 2,160.68 : x
  2. Step 2: Convert to fraction form
    7,089.93/10,634.29 = 2,160.68/x
  3. Step 3: Cross multiply
    7,089.93x = 10,634.29 × 2,160.68
  4. Step 4: Simplify right side
    7,089.93x = 22,977,239.14
  5. Step 5: Solve for x
    x = 22,977,239.14/7,089.93
  6. Step 6: Final answer
    x = 3,240.83

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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.