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Finding the Fourth Proportional to 6,410.50, 9,608.20 and 2,896.40

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Solution

The fourth proportional to 6,410.50, 9,608.20 and 2,896.40 is: 4,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.50 : 9,608.20 = 2,896.40 : x
  2. Step 2: Convert to fraction form
    6,410.50/9,608.20 = 2,896.40/x
  3. Step 3: Cross multiply
    6,410.50x = 9,608.20 × 2,896.40
  4. Step 4: Simplify right side
    6,410.50x = 27,829,190.48
  5. Step 5: Solve for x
    x = 27,829,190.48/6,410.50
  6. Step 6: Final answer
    x = 4,341.19

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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.