Home / 5,430.92-8,146.37-3,495.42

Finding the Fourth Proportional to 5,430.92, 8,146.37 and 3,495.42

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Solution

The fourth proportional to 5,430.92, 8,146.37 and 3,495.42 is: 5,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.92 : 8,146.37 = 3,495.42 : x
  2. Step 2: Convert to fraction form
    5,430.92/8,146.37 = 3,495.42/x
  3. Step 3: Cross multiply
    5,430.92x = 8,146.37 × 3,495.42
  4. Step 4: Simplify right side
    5,430.92x = 28,474,993.36
  5. Step 5: Solve for x
    x = 28,474,993.36/5,430.92
  6. Step 6: Final answer
    x = 5,243.13

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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.