Home / 5,431.20-7,495.52-3,073.76

Finding the Fourth Proportional to 5,431.20, 7,495.52 and 3,073.76

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Solution

The fourth proportional to 5,431.20, 7,495.52 and 3,073.76 is: 4,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.20 : 7,495.52 = 3,073.76 : x
  2. Step 2: Convert to fraction form
    5,431.20/7,495.52 = 3,073.76/x
  3. Step 3: Cross multiply
    5,431.20x = 7,495.52 × 3,073.76
  4. Step 4: Simplify right side
    5,431.20x = 23,039,429.56
  5. Step 5: Solve for x
    x = 23,039,429.56/5,431.20
  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.