Home / 6,631.74-9,960.30-4,171.50

Finding the Fourth Proportional to 6,631.74, 9,960.30 and 4,171.50

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Solution

The fourth proportional to 6,631.74, 9,960.30 and 4,171.50 is: 6,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.74 : 9,960.30 = 4,171.50 : x
  2. Step 2: Convert to fraction form
    6,631.74/9,960.30 = 4,171.50/x
  3. Step 3: Cross multiply
    6,631.74x = 9,960.30 × 4,171.50
  4. Step 4: Simplify right side
    6,631.74x = 41,549,391.45
  5. Step 5: Solve for x
    x = 41,549,391.45/6,631.74
  6. Step 6: Final answer
    x = 6,265.23

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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.