Home / 5,552.80-8,320.98-2,429.92

Finding the Fourth Proportional to 5,552.80, 8,320.98 and 2,429.92

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Solution

The fourth proportional to 5,552.80, 8,320.98 and 2,429.92 is: 3,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.80 : 8,320.98 = 2,429.92 : x
  2. Step 2: Convert to fraction form
    5,552.80/8,320.98 = 2,429.92/x
  3. Step 3: Cross multiply
    5,552.80x = 8,320.98 × 2,429.92
  4. Step 4: Simplify right side
    5,552.80x = 20,219,315.72
  5. Step 5: Solve for x
    x = 20,219,315.72/5,552.80
  6. Step 6: Final answer
    x = 3,641.28

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1.5x scale

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.