Home / 9,154.58-13,719.71-4,770.86

Finding the Fourth Proportional to 9,154.58, 13,719.71 and 4,770.86

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Solution

The fourth proportional to 9,154.58, 13,719.71 and 4,770.86 is: 7,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.58 : 13,719.71 = 4,770.86 : x
  2. Step 2: Convert to fraction form
    9,154.58/13,719.71 = 4,770.86/x
  3. Step 3: Cross multiply
    9,154.58x = 13,719.71 × 4,770.86
  4. Step 4: Simplify right side
    9,154.58x = 65,454,758.98
  5. Step 5: Solve for x
    x = 65,454,758.98/9,154.58
  6. Step 6: Final answer
    x = 7,149.95

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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.