Home / 6,661.85-9,194.11-4,980.29

Finding the Fourth Proportional to 6,661.85, 9,194.11 and 4,980.29

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Solution

The fourth proportional to 6,661.85, 9,194.11 and 4,980.29 is: 6,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.85 : 9,194.11 = 4,980.29 : x
  2. Step 2: Convert to fraction form
    6,661.85/9,194.11 = 4,980.29/x
  3. Step 3: Cross multiply
    6,661.85x = 9,194.11 × 4,980.29
  4. Step 4: Simplify right side
    6,661.85x = 45,789,275.67
  5. Step 5: Solve for x
    x = 45,789,275.67/6,661.85
  6. Step 6: Final answer
    x = 6,873.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.