Home / 8,731.90-12,046.22-5,822.28

Finding the Fourth Proportional to 8,731.90, 12,046.22 and 5,822.28

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Solution

The fourth proportional to 8,731.90, 12,046.22 and 5,822.28 is: 8,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.90 : 12,046.22 = 5,822.28 : x
  2. Step 2: Convert to fraction form
    8,731.90/12,046.22 = 5,822.28/x
  3. Step 3: Cross multiply
    8,731.90x = 12,046.22 × 5,822.28
  4. Step 4: Simplify right side
    8,731.90x = 70,136,458.50
  5. Step 5: Solve for x
    x = 70,136,458.50/8,731.90
  6. Step 6: Final answer
    x = 8,032.21

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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.