Home / 6,459.14-8,912.86-3,626.12

Finding the Fourth Proportional to 6,459.14, 8,912.86 and 3,626.12

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Solution

The fourth proportional to 6,459.14, 8,912.86 and 3,626.12 is: 5,003.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.14 : 8,912.86 = 3,626.12 : x
  2. Step 2: Convert to fraction form
    6,459.14/8,912.86 = 3,626.12/x
  3. Step 3: Cross multiply
    6,459.14x = 8,912.86 × 3,626.12
  4. Step 4: Simplify right side
    6,459.14x = 32,319,113.12
  5. Step 5: Solve for x
    x = 32,319,113.12/6,459.14
  6. Step 6: Final answer
    x = 5,003.62

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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.