Home / 8,830.18-13,247.70-3,639.70

Finding the Fourth Proportional to 8,830.18, 13,247.70 and 3,639.70

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Solution

The fourth proportional to 8,830.18, 13,247.70 and 3,639.70 is: 5,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.18 : 13,247.70 = 3,639.70 : x
  2. Step 2: Convert to fraction form
    8,830.18/13,247.70 = 3,639.70/x
  3. Step 3: Cross multiply
    8,830.18x = 13,247.70 × 3,639.70
  4. Step 4: Simplify right side
    8,830.18x = 48,217,653.69
  5. Step 5: Solve for x
    x = 48,217,653.69/8,830.18
  6. Step 6: Final answer
    x = 5,460.55

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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.