Home / 8,731.67-13,098.18-2,888.27

Finding the Fourth Proportional to 8,731.67, 13,098.18 and 2,888.27

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Solution

The fourth proportional to 8,731.67, 13,098.18 and 2,888.27 is: 4,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.67 : 13,098.18 = 2,888.27 : x
  2. Step 2: Convert to fraction form
    8,731.67/13,098.18 = 2,888.27/x
  3. Step 3: Cross multiply
    8,731.67x = 13,098.18 × 2,888.27
  4. Step 4: Simplify right side
    8,731.67x = 37,831,113.09
  5. Step 5: Solve for x
    x = 37,831,113.09/8,731.67
  6. Step 6: Final answer
    x = 4,332.63

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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.