Home / 6,631.45-9,945.63-2,931.66

Finding the Fourth Proportional to 6,631.45, 9,945.63 and 2,931.66

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Solution

The fourth proportional to 6,631.45, 9,945.63 and 2,931.66 is: 4,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.45 : 9,945.63 = 2,931.66 : x
  2. Step 2: Convert to fraction form
    6,631.45/9,945.63 = 2,931.66/x
  3. Step 3: Cross multiply
    6,631.45x = 9,945.63 × 2,931.66
  4. Step 4: Simplify right side
    6,631.45x = 29,157,205.65
  5. Step 5: Solve for x
    x = 29,157,205.65/6,631.45
  6. Step 6: Final answer
    x = 4,396.81

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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.