Home / 7,631.84-10,530.96-4,486.88

Finding the Fourth Proportional to 7,631.84, 10,530.96 and 4,486.88

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Solution

The fourth proportional to 7,631.84, 10,530.96 and 4,486.88 is: 6,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.84 : 10,530.96 = 4,486.88 : x
  2. Step 2: Convert to fraction form
    7,631.84/10,530.96 = 4,486.88/x
  3. Step 3: Cross multiply
    7,631.84x = 10,530.96 × 4,486.88
  4. Step 4: Simplify right side
    7,631.84x = 47,251,153.80
  5. Step 5: Solve for x
    x = 47,251,153.80/7,631.84
  6. Step 6: Final answer
    x = 6,191.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.