Home / 9,715.62-14,580.45-3,868.86

Finding the Fourth Proportional to 9,715.62, 14,580.45 and 3,868.86

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Solution

The fourth proportional to 9,715.62, 14,580.45 and 3,868.86 is: 5,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.62 : 14,580.45 = 3,868.86 : x
  2. Step 2: Convert to fraction form
    9,715.62/14,580.45 = 3,868.86/x
  3. Step 3: Cross multiply
    9,715.62x = 14,580.45 × 3,868.86
  4. Step 4: Simplify right side
    9,715.62x = 56,409,719.79
  5. Step 5: Solve for x
    x = 56,409,719.79/9,715.62
  6. Step 6: Final answer
    x = 5,806.09

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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.