Home / 6,666.26-9,980.88-4,328.96

Finding the Fourth Proportional to 6,666.26, 9,980.88 and 4,328.96

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Solution

The fourth proportional to 6,666.26, 9,980.88 and 4,328.96 is: 6,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.26 : 9,980.88 = 4,328.96 : x
  2. Step 2: Convert to fraction form
    6,666.26/9,980.88 = 4,328.96/x
  3. Step 3: Cross multiply
    6,666.26x = 9,980.88 × 4,328.96
  4. Step 4: Simplify right side
    6,666.26x = 43,206,830.28
  5. Step 5: Solve for x
    x = 43,206,830.28/6,666.26
  6. Step 6: Final answer
    x = 6,481.42

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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.