Home / 7,678.96-10,597.82-4,321.88

Finding the Fourth Proportional to 7,678.96, 10,597.82 and 4,321.88

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Solution

The fourth proportional to 7,678.96, 10,597.82 and 4,321.88 is: 5,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.96 : 10,597.82 = 4,321.88 : x
  2. Step 2: Convert to fraction form
    7,678.96/10,597.82 = 4,321.88/x
  3. Step 3: Cross multiply
    7,678.96x = 10,597.82 × 4,321.88
  4. Step 4: Simplify right side
    7,678.96x = 45,802,506.30
  5. Step 5: Solve for x
    x = 45,802,506.30/7,678.96
  6. Step 6: Final answer
    x = 5,964.68

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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.