Home / 4,320.68-6,476.14-1,720.60

Finding the Fourth Proportional to 4,320.68, 6,476.14 and 1,720.60

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Solution

The fourth proportional to 4,320.68, 6,476.14 and 1,720.60 is: 2,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.68 : 6,476.14 = 1,720.60 : x
  2. Step 2: Convert to fraction form
    4,320.68/6,476.14 = 1,720.60/x
  3. Step 3: Cross multiply
    4,320.68x = 6,476.14 × 1,720.60
  4. Step 4: Simplify right side
    4,320.68x = 11,142,846.48
  5. Step 5: Solve for x
    x = 11,142,846.48/4,320.68
  6. Step 6: Final answer
    x = 2,578.96

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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.