Home / 7,527.18-11,282.64-4,239.42

Finding the Fourth Proportional to 7,527.18, 11,282.64 and 4,239.42

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Solution

The fourth proportional to 7,527.18, 11,282.64 and 4,239.42 is: 6,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.18 : 11,282.64 = 4,239.42 : x
  2. Step 2: Convert to fraction form
    7,527.18/11,282.64 = 4,239.42/x
  3. Step 3: Cross multiply
    7,527.18x = 11,282.64 × 4,239.42
  4. Step 4: Simplify right side
    7,527.18x = 47,831,849.67
  5. Step 5: Solve for x
    x = 47,831,849.67/7,527.18
  6. Step 6: Final answer
    x = 6,354.55

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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.