Home / 5,285.79-7,915.73-3,332.07

Finding the Fourth Proportional to 5,285.79, 7,915.73 and 3,332.07

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Solution

The fourth proportional to 5,285.79, 7,915.73 and 3,332.07 is: 4,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.79 : 7,915.73 = 3,332.07 : x
  2. Step 2: Convert to fraction form
    5,285.79/7,915.73 = 3,332.07/x
  3. Step 3: Cross multiply
    5,285.79x = 7,915.73 × 3,332.07
  4. Step 4: Simplify right side
    5,285.79x = 26,375,749.80
  5. Step 5: Solve for x
    x = 26,375,749.80/5,285.79
  6. Step 6: Final answer
    x = 4,989.94

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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.