Home / 7,091.10-9,781.41-4,436.32

Finding the Fourth Proportional to 7,091.10, 9,781.41 and 4,436.32

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Solution

The fourth proportional to 7,091.10, 9,781.41 and 4,436.32 is: 6,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.10 : 9,781.41 = 4,436.32 : x
  2. Step 2: Convert to fraction form
    7,091.10/9,781.41 = 4,436.32/x
  3. Step 3: Cross multiply
    7,091.10x = 9,781.41 × 4,436.32
  4. Step 4: Simplify right side
    7,091.10x = 43,393,464.81
  5. Step 5: Solve for x
    x = 43,393,464.81/7,091.10
  6. Step 6: Final answer
    x = 6,119.43

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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.