Home / 6,320.26-8,721.86-3,487.92

Finding the Fourth Proportional to 6,320.26, 8,721.86 and 3,487.92

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Solution

The fourth proportional to 6,320.26, 8,721.86 and 3,487.92 is: 4,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.26 : 8,721.86 = 3,487.92 : x
  2. Step 2: Convert to fraction form
    6,320.26/8,721.86 = 3,487.92/x
  3. Step 3: Cross multiply
    6,320.26x = 8,721.86 × 3,487.92
  4. Step 4: Simplify right side
    6,320.26x = 30,421,106.32
  5. Step 5: Solve for x
    x = 30,421,106.32/6,320.26
  6. Step 6: Final answer
    x = 4,813.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.