Home / 5,981.10-8,967.60-3,170.40

Finding the Fourth Proportional to 5,981.10, 8,967.60 and 3,170.40

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Solution

The fourth proportional to 5,981.10, 8,967.60 and 3,170.40 is: 4,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.10 : 8,967.60 = 3,170.40 : x
  2. Step 2: Convert to fraction form
    5,981.10/8,967.60 = 3,170.40/x
  3. Step 3: Cross multiply
    5,981.10x = 8,967.60 × 3,170.40
  4. Step 4: Simplify right side
    5,981.10x = 28,430,879.04
  5. Step 5: Solve for x
    x = 28,430,879.04/5,981.10
  6. Step 6: Final answer
    x = 4,753.45

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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.