Home / 8,646.41-12,968.67-2,801.45

Finding the Fourth Proportional to 8,646.41, 12,968.67 and 2,801.45

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Solution

The fourth proportional to 8,646.41, 12,968.67 and 2,801.45 is: 4,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.41 : 12,968.67 = 2,801.45 : x
  2. Step 2: Convert to fraction form
    8,646.41/12,968.67 = 2,801.45/x
  3. Step 3: Cross multiply
    8,646.41x = 12,968.67 × 2,801.45
  4. Step 4: Simplify right side
    8,646.41x = 36,331,080.57
  5. Step 5: Solve for x
    x = 36,331,080.57/8,646.41
  6. Step 6: Final answer
    x = 4,201.87

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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.