Home / 4,002.76-6,006.80-1,405.69

Finding the Fourth Proportional to 4,002.76, 6,006.80 and 1,405.69

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Solution

The fourth proportional to 4,002.76, 6,006.80 and 1,405.69 is: 2,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.76 : 6,006.80 = 1,405.69 : x
  2. Step 2: Convert to fraction form
    4,002.76/6,006.80 = 1,405.69/x
  3. Step 3: Cross multiply
    4,002.76x = 6,006.80 × 1,405.69
  4. Step 4: Simplify right side
    4,002.76x = 8,443,698.69
  5. Step 5: Solve for x
    x = 8,443,698.69/4,002.76
  6. Step 6: Final answer
    x = 2,109.47

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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.