Home / 8,513.02-12,761.97-3,317.68

Finding the Fourth Proportional to 8,513.02, 12,761.97 and 3,317.68

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Solution

The fourth proportional to 8,513.02, 12,761.97 and 3,317.68 is: 4,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.02 : 12,761.97 = 3,317.68 : x
  2. Step 2: Convert to fraction form
    8,513.02/12,761.97 = 3,317.68/x
  3. Step 3: Cross multiply
    8,513.02x = 12,761.97 × 3,317.68
  4. Step 4: Simplify right side
    8,513.02x = 42,340,132.63
  5. Step 5: Solve for x
    x = 42,340,132.63/8,513.02
  6. Step 6: Final answer
    x = 4,973.57

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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.