Home / 6,690.98-9,234.11-3,707.75

Finding the Fourth Proportional to 6,690.98, 9,234.11 and 3,707.75

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Solution

The fourth proportional to 6,690.98, 9,234.11 and 3,707.75 is: 5,117.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.98 : 9,234.11 = 3,707.75 : x
  2. Step 2: Convert to fraction form
    6,690.98/9,234.11 = 3,707.75/x
  3. Step 3: Cross multiply
    6,690.98x = 9,234.11 × 3,707.75
  4. Step 4: Simplify right side
    6,690.98x = 34,237,734.45
  5. Step 5: Solve for x
    x = 34,237,734.45/6,690.98
  6. Step 6: Final answer
    x = 5,117.00

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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.