Home / 4,379.83-6,566.34-2,989.75

Finding the Fourth Proportional to 4,379.83, 6,566.34 and 2,989.75

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Solution

The fourth proportional to 4,379.83, 6,566.34 and 2,989.75 is: 4,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.83 : 6,566.34 = 2,989.75 : x
  2. Step 2: Convert to fraction form
    4,379.83/6,566.34 = 2,989.75/x
  3. Step 3: Cross multiply
    4,379.83x = 6,566.34 × 2,989.75
  4. Step 4: Simplify right side
    4,379.83x = 19,631,715.02
  5. Step 5: Solve for x
    x = 19,631,715.02/4,379.83
  6. Step 6: Final answer
    x = 4,482.30

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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.