Home / 4,431.12-6,646.60-1,144.16

Finding the Fourth Proportional to 4,431.12, 6,646.60 and 1,144.16

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Solution

The fourth proportional to 4,431.12, 6,646.60 and 1,144.16 is: 1,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.12 : 6,646.60 = 1,144.16 : x
  2. Step 2: Convert to fraction form
    4,431.12/6,646.60 = 1,144.16/x
  3. Step 3: Cross multiply
    4,431.12x = 6,646.60 × 1,144.16
  4. Step 4: Simplify right side
    4,431.12x = 7,604,773.86
  5. Step 5: Solve for x
    x = 7,604,773.86/4,431.12
  6. Step 6: Final answer
    x = 1,716.22

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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.