Home / 4,521.68-6,780.08-1,400.34

Finding the Fourth Proportional to 4,521.68, 6,780.08 and 1,400.34

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Solution

The fourth proportional to 4,521.68, 6,780.08 and 1,400.34 is: 2,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.68 : 6,780.08 = 1,400.34 : x
  2. Step 2: Convert to fraction form
    4,521.68/6,780.08 = 1,400.34/x
  3. Step 3: Cross multiply
    4,521.68x = 6,780.08 × 1,400.34
  4. Step 4: Simplify right side
    4,521.68x = 9,494,410.23
  5. Step 5: Solve for x
    x = 9,494,410.23/4,521.68
  6. Step 6: Final answer
    x = 2,099.76

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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.