Home / 4,669.83-6,445.11-2,991.15

Finding the Fourth Proportional to 4,669.83, 6,445.11 and 2,991.15

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Solution

The fourth proportional to 4,669.83, 6,445.11 and 2,991.15 is: 4,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.83 : 6,445.11 = 2,991.15 : x
  2. Step 2: Convert to fraction form
    4,669.83/6,445.11 = 2,991.15/x
  3. Step 3: Cross multiply
    4,669.83x = 6,445.11 × 2,991.15
  4. Step 4: Simplify right side
    4,669.83x = 19,278,290.78
  5. Step 5: Solve for x
    x = 19,278,290.78/4,669.83
  6. Step 6: Final answer
    x = 4,128.26

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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.