Home / 7,527.24-11,280.78-4,239

Finding the Fourth Proportional to 7,527.24, 11,280.78 and 4,239

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Solution

The fourth proportional to 7,527.24, 11,280.78 and 4,239 is: 6,352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.24 : 11,280.78 = 4,239 : x
  2. Step 2: Convert to fraction form
    7,527.24/11,280.78 = 4,239/x
  3. Step 3: Cross multiply
    7,527.24x = 11,280.78 × 4,239
  4. Step 4: Simplify right side
    7,527.24x = 47,819,226.42
  5. Step 5: Solve for x
    x = 47,819,226.42/7,527.24
  6. Step 6: Final answer
    x = 6,352.82

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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.