Home / 5,557.62-8,332.09-2,782.86

Finding the Fourth Proportional to 5,557.62, 8,332.09 and 2,782.86

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Solution

The fourth proportional to 5,557.62, 8,332.09 and 2,782.86 is: 4,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.62 : 8,332.09 = 2,782.86 : x
  2. Step 2: Convert to fraction form
    5,557.62/8,332.09 = 2,782.86/x
  3. Step 3: Cross multiply
    5,557.62x = 8,332.09 × 2,782.86
  4. Step 4: Simplify right side
    5,557.62x = 23,187,039.98
  5. Step 5: Solve for x
    x = 23,187,039.98/5,557.62
  6. Step 6: Final answer
    x = 4,172.12

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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.