Home / 4,007.82-5,531.02-2,239.50

Finding the Fourth Proportional to 4,007.82, 5,531.02 and 2,239.50

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Solution

The fourth proportional to 4,007.82, 5,531.02 and 2,239.50 is: 3,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.82 : 5,531.02 = 2,239.50 : x
  2. Step 2: Convert to fraction form
    4,007.82/5,531.02 = 2,239.50/x
  3. Step 3: Cross multiply
    4,007.82x = 5,531.02 × 2,239.50
  4. Step 4: Simplify right side
    4,007.82x = 12,386,719.29
  5. Step 5: Solve for x
    x = 12,386,719.29/4,007.82
  6. Step 6: Final answer
    x = 3,090.64

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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.