Home / 7,046.48-10,566.61-2,115.18

Finding the Fourth Proportional to 7,046.48, 10,566.61 and 2,115.18

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Solution

The fourth proportional to 7,046.48, 10,566.61 and 2,115.18 is: 3,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.48 : 10,566.61 = 2,115.18 : x
  2. Step 2: Convert to fraction form
    7,046.48/10,566.61 = 2,115.18/x
  3. Step 3: Cross multiply
    7,046.48x = 10,566.61 × 2,115.18
  4. Step 4: Simplify right side
    7,046.48x = 22,350,282.14
  5. Step 5: Solve for x
    x = 22,350,282.14/7,046.48
  6. Step 6: Final answer
    x = 3,171.84

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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.