Home / 8,508.80-11,741.46-4,971.62

Finding the Fourth Proportional to 8,508.80, 11,741.46 and 4,971.62

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Solution

The fourth proportional to 8,508.80, 11,741.46 and 4,971.62 is: 6,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.80 : 11,741.46 = 4,971.62 : x
  2. Step 2: Convert to fraction form
    8,508.80/11,741.46 = 4,971.62/x
  3. Step 3: Cross multiply
    8,508.80x = 11,741.46 × 4,971.62
  4. Step 4: Simplify right side
    8,508.80x = 58,374,077.37
  5. Step 5: Solve for x
    x = 58,374,077.37/8,508.80
  6. Step 6: Final answer
    x = 6,860.44

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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.