Home / 4,007.47-5,530.21-2,239.09

Finding the Fourth Proportional to 4,007.47, 5,530.21 and 2,239.09

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Solution

The fourth proportional to 4,007.47, 5,530.21 and 2,239.09 is: 3,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.47 : 5,530.21 = 2,239.09 : x
  2. Step 2: Convert to fraction form
    4,007.47/5,530.21 = 2,239.09/x
  3. Step 3: Cross multiply
    4,007.47x = 5,530.21 × 2,239.09
  4. Step 4: Simplify right side
    4,007.47x = 12,382,612.89
  5. Step 5: Solve for x
    x = 12,382,612.89/4,007.47
  6. Step 6: Final answer
    x = 3,089.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.