Home / 6,408.06-8,841.87-3,613.02

Finding the Fourth Proportional to 6,408.06, 8,841.87 and 3,613.02

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Solution

The fourth proportional to 6,408.06, 8,841.87 and 3,613.02 is: 4,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.06 : 8,841.87 = 3,613.02 : x
  2. Step 2: Convert to fraction form
    6,408.06/8,841.87 = 3,613.02/x
  3. Step 3: Cross multiply
    6,408.06x = 8,841.87 × 3,613.02
  4. Step 4: Simplify right side
    6,408.06x = 31,945,853.15
  5. Step 5: Solve for x
    x = 31,945,853.15/6,408.06
  6. Step 6: Final answer
    x = 4,985.26

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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.