Home / 5,431.80-7,496.10-3,073.86

Finding the Fourth Proportional to 5,431.80, 7,496.10 and 3,073.86

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Solution

The fourth proportional to 5,431.80, 7,496.10 and 3,073.86 is: 4,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.80 : 7,496.10 = 3,073.86 : x
  2. Step 2: Convert to fraction form
    5,431.80/7,496.10 = 3,073.86/x
  3. Step 3: Cross multiply
    5,431.80x = 7,496.10 × 3,073.86
  4. Step 4: Simplify right side
    5,431.80x = 23,041,961.95
  5. Step 5: Solve for x
    x = 23,041,961.95/5,431.80
  6. Step 6: Final answer
    x = 4,242.05

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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.