Home / 7,731.75-11,597.58-1,888.31

Finding the Fourth Proportional to 7,731.75, 11,597.58 and 1,888.31

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Solution

The fourth proportional to 7,731.75, 11,597.58 and 1,888.31 is: 2,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.75 : 11,597.58 = 1,888.31 : x
  2. Step 2: Convert to fraction form
    7,731.75/11,597.58 = 1,888.31/x
  3. Step 3: Cross multiply
    7,731.75x = 11,597.58 × 1,888.31
  4. Step 4: Simplify right side
    7,731.75x = 21,899,855.28
  5. Step 5: Solve for x
    x = 21,899,855.28/7,731.75
  6. Step 6: Final answer
    x = 2,832.46

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Similar ratio
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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.