Home / 4,007.81-5,531.01-2,239.58

Finding the Fourth Proportional to 4,007.81, 5,531.01 and 2,239.58

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Solution

The fourth proportional to 4,007.81, 5,531.01 and 2,239.58 is: 3,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.81 : 5,531.01 = 2,239.58 : x
  2. Step 2: Convert to fraction form
    4,007.81/5,531.01 = 2,239.58/x
  3. Step 3: Cross multiply
    4,007.81x = 5,531.01 × 2,239.58
  4. Step 4: Simplify right side
    4,007.81x = 12,387,139.38
  5. Step 5: Solve for x
    x = 12,387,139.38/4,007.81
  6. Step 6: Final answer
    x = 3,090.75

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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.