Home / 6,100.10-9,135.50-3,319.86

Finding the Fourth Proportional to 6,100.10, 9,135.50 and 3,319.86

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Solution

The fourth proportional to 6,100.10, 9,135.50 and 3,319.86 is: 4,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,100.10 : 9,135.50 = 3,319.86 : x
  2. Step 2: Convert to fraction form
    6,100.10/9,135.50 = 3,319.86/x
  3. Step 3: Cross multiply
    6,100.10x = 9,135.50 × 3,319.86
  4. Step 4: Simplify right side
    6,100.10x = 30,328,581.03
  5. Step 5: Solve for x
    x = 30,328,581.03/6,100.10
  6. Step 6: Final answer
    x = 4,971.82

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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.