Home / 4,409.84-6,615.18-1,289.88

Finding the Fourth Proportional to 4,409.84, 6,615.18 and 1,289.88

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Solution

The fourth proportional to 4,409.84, 6,615.18 and 1,289.88 is: 1,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.84 : 6,615.18 = 1,289.88 : x
  2. Step 2: Convert to fraction form
    4,409.84/6,615.18 = 1,289.88/x
  3. Step 3: Cross multiply
    4,409.84x = 6,615.18 × 1,289.88
  4. Step 4: Simplify right side
    4,409.84x = 8,532,788.38
  5. Step 5: Solve for x
    x = 8,532,788.38/4,409.84
  6. Step 6: Final answer
    x = 1,934.95

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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.