Home / 4,308.15-6,448.05-3,521.91

Finding the Fourth Proportional to 4,308.15, 6,448.05 and 3,521.91

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Solution

The fourth proportional to 4,308.15, 6,448.05 and 3,521.91 is: 5,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.15 : 6,448.05 = 3,521.91 : x
  2. Step 2: Convert to fraction form
    4,308.15/6,448.05 = 3,521.91/x
  3. Step 3: Cross multiply
    4,308.15x = 6,448.05 × 3,521.91
  4. Step 4: Simplify right side
    4,308.15x = 22,709,451.78
  5. Step 5: Solve for x
    x = 22,709,451.78/4,308.15
  6. Step 6: Final answer
    x = 5,271.28

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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.