Home / 6,440.89-9,659.25-2,057.32

Finding the Fourth Proportional to 6,440.89, 9,659.25 and 2,057.32

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Solution

The fourth proportional to 6,440.89, 9,659.25 and 2,057.32 is: 3,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.89 : 9,659.25 = 2,057.32 : x
  2. Step 2: Convert to fraction form
    6,440.89/9,659.25 = 2,057.32/x
  3. Step 3: Cross multiply
    6,440.89x = 9,659.25 × 2,057.32
  4. Step 4: Simplify right side
    6,440.89x = 19,872,168.21
  5. Step 5: Solve for x
    x = 19,872,168.21/6,440.89
  6. Step 6: Final answer
    x = 3,085.31

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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.