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Finding the Fourth Proportional to 5,871.02, 8,803.89 and 4,220.66

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Solution

The fourth proportional to 5,871.02, 8,803.89 and 4,220.66 is: 6,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.02 : 8,803.89 = 4,220.66 : x
  2. Step 2: Convert to fraction form
    5,871.02/8,803.89 = 4,220.66/x
  3. Step 3: Cross multiply
    5,871.02x = 8,803.89 × 4,220.66
  4. Step 4: Simplify right side
    5,871.02x = 37,158,198.86
  5. Step 5: Solve for x
    x = 37,158,198.86/5,871.02
  6. Step 6: Final answer
    x = 6,329.09

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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.