Home / 5,430.58-8,147.27-3,181.01

Finding the Fourth Proportional to 5,430.58, 8,147.27 and 3,181.01

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Solution

The fourth proportional to 5,430.58, 8,147.27 and 3,181.01 is: 4,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.58 : 8,147.27 = 3,181.01 : x
  2. Step 2: Convert to fraction form
    5,430.58/8,147.27 = 3,181.01/x
  3. Step 3: Cross multiply
    5,430.58x = 8,147.27 × 3,181.01
  4. Step 4: Simplify right side
    5,430.58x = 25,916,490.70
  5. Step 5: Solve for x
    x = 25,916,490.70/5,430.58
  6. Step 6: Final answer
    x = 4,772.33

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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.