Home / 8,271.66-12,403.37-2,648.63

Finding the Fourth Proportional to 8,271.66, 12,403.37 and 2,648.63

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Solution

The fourth proportional to 8,271.66, 12,403.37 and 2,648.63 is: 3,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.66 : 12,403.37 = 2,648.63 : x
  2. Step 2: Convert to fraction form
    8,271.66/12,403.37 = 2,648.63/x
  3. Step 3: Cross multiply
    8,271.66x = 12,403.37 × 2,648.63
  4. Step 4: Simplify right side
    8,271.66x = 32,851,862.62
  5. Step 5: Solve for x
    x = 32,851,862.62/8,271.66
  6. Step 6: Final answer
    x = 3,971.62

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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.