Home / 5,228.61-7,843.68-1,531.14

Finding the Fourth Proportional to 5,228.61, 7,843.68 and 1,531.14

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Solution

The fourth proportional to 5,228.61, 7,843.68 and 1,531.14 is: 2,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.61 : 7,843.68 = 1,531.14 : x
  2. Step 2: Convert to fraction form
    5,228.61/7,843.68 = 1,531.14/x
  3. Step 3: Cross multiply
    5,228.61x = 7,843.68 × 1,531.14
  4. Step 4: Simplify right side
    5,228.61x = 12,009,772.20
  5. Step 5: Solve for x
    x = 12,009,772.20/5,228.61
  6. Step 6: Final answer
    x = 2,296.93

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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.