Home / 9,811.20-14,715.55-3,235.76

Finding the Fourth Proportional to 9,811.20, 14,715.55 and 3,235.76

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Solution

The fourth proportional to 9,811.20, 14,715.55 and 3,235.76 is: 4,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.20 : 14,715.55 = 3,235.76 : x
  2. Step 2: Convert to fraction form
    9,811.20/14,715.55 = 3,235.76/x
  3. Step 3: Cross multiply
    9,811.20x = 14,715.55 × 3,235.76
  4. Step 4: Simplify right side
    9,811.20x = 47,615,898.31
  5. Step 5: Solve for x
    x = 47,615,898.31/9,811.20
  6. Step 6: Final answer
    x = 4,853.22

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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.