Home / 7,688.87-11,536.96-4,575.03

Finding the Fourth Proportional to 7,688.87, 11,536.96 and 4,575.03

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Solution

The fourth proportional to 7,688.87, 11,536.96 and 4,575.03 is: 6,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.87 : 11,536.96 = 4,575.03 : x
  2. Step 2: Convert to fraction form
    7,688.87/11,536.96 = 4,575.03/x
  3. Step 3: Cross multiply
    7,688.87x = 11,536.96 × 4,575.03
  4. Step 4: Simplify right side
    7,688.87x = 52,781,926.67
  5. Step 5: Solve for x
    x = 52,781,926.67/7,688.87
  6. Step 6: Final answer
    x = 6,864.72

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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.