Home / 7,741.12-11,618.29-5,665.29

Finding the Fourth Proportional to 7,741.12, 11,618.29 and 5,665.29

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Solution

The fourth proportional to 7,741.12, 11,618.29 and 5,665.29 is: 8,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.12 : 11,618.29 = 5,665.29 : x
  2. Step 2: Convert to fraction form
    7,741.12/11,618.29 = 5,665.29/x
  3. Step 3: Cross multiply
    7,741.12x = 11,618.29 × 5,665.29
  4. Step 4: Simplify right side
    7,741.12x = 65,820,979.15
  5. Step 5: Solve for x
    x = 65,820,979.15/7,741.12
  6. Step 6: Final answer
    x = 8,502.77

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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.