Home / 5,228.89-7,842.69-1,531.08

Finding the Fourth Proportional to 5,228.89, 7,842.69 and 1,531.08

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Solution

The fourth proportional to 5,228.89, 7,842.69 and 1,531.08 is: 2,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.89 : 7,842.69 = 1,531.08 : x
  2. Step 2: Convert to fraction form
    5,228.89/7,842.69 = 1,531.08/x
  3. Step 3: Cross multiply
    5,228.89x = 7,842.69 × 1,531.08
  4. Step 4: Simplify right side
    5,228.89x = 12,007,785.81
  5. Step 5: Solve for x
    x = 12,007,785.81/5,228.89
  6. Step 6: Final answer
    x = 2,296.43

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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.