Home / 6,670.98-9,206.15-3,983.76

Finding the Fourth Proportional to 6,670.98, 9,206.15 and 3,983.76

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Solution

The fourth proportional to 6,670.98, 9,206.15 and 3,983.76 is: 5,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.98 : 9,206.15 = 3,983.76 : x
  2. Step 2: Convert to fraction form
    6,670.98/9,206.15 = 3,983.76/x
  3. Step 3: Cross multiply
    6,670.98x = 9,206.15 × 3,983.76
  4. Step 4: Simplify right side
    6,670.98x = 36,675,072.21
  5. Step 5: Solve for x
    x = 36,675,072.21/6,670.98
  6. Step 6: Final answer
    x = 5,497.70

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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.