Home / 5,431.12-7,494.88-3,073.20

Finding the Fourth Proportional to 5,431.12, 7,494.88 and 3,073.20

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Solution

The fourth proportional to 5,431.12, 7,494.88 and 3,073.20 is: 4,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.12 : 7,494.88 = 3,073.20 : x
  2. Step 2: Convert to fraction form
    5,431.12/7,494.88 = 3,073.20/x
  3. Step 3: Cross multiply
    5,431.12x = 7,494.88 × 3,073.20
  4. Step 4: Simplify right side
    5,431.12x = 23,033,265.22
  5. Step 5: Solve for x
    x = 23,033,265.22/5,431.12
  6. Step 6: Final answer
    x = 4,240.98

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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.