Home / 6,441.12-9,661.68-4,263.66

Finding the Fourth Proportional to 6,441.12, 9,661.68 and 4,263.66

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Solution

The fourth proportional to 6,441.12, 9,661.68 and 4,263.66 is: 6,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.12 : 9,661.68 = 4,263.66 : x
  2. Step 2: Convert to fraction form
    6,441.12/9,661.68 = 4,263.66/x
  3. Step 3: Cross multiply
    6,441.12x = 9,661.68 × 4,263.66
  4. Step 4: Simplify right side
    6,441.12x = 41,194,118.55
  5. Step 5: Solve for x
    x = 41,194,118.55/6,441.12
  6. Step 6: Final answer
    x = 6,395.49

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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.