Home / 5,431.55-7,495.65-3,073.69

Finding the Fourth Proportional to 5,431.55, 7,495.65 and 3,073.69

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Solution

The fourth proportional to 5,431.55, 7,495.65 and 3,073.69 is: 4,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.55 : 7,495.65 = 3,073.69 : x
  2. Step 2: Convert to fraction form
    5,431.55/7,495.65 = 3,073.69/x
  3. Step 3: Cross multiply
    5,431.55x = 7,495.65 × 3,073.69
  4. Step 4: Simplify right side
    5,431.55x = 23,039,326.86
  5. Step 5: Solve for x
    x = 23,039,326.86/5,431.55
  6. Step 6: Final answer
    x = 4,241.76

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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.