Home / 6,438.23-9,659.16-2,490.69

Finding the Fourth Proportional to 6,438.23, 9,659.16 and 2,490.69

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Solution

The fourth proportional to 6,438.23, 9,659.16 and 2,490.69 is: 3,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.23 : 9,659.16 = 2,490.69 : x
  2. Step 2: Convert to fraction form
    6,438.23/9,659.16 = 2,490.69/x
  3. Step 3: Cross multiply
    6,438.23x = 9,659.16 × 2,490.69
  4. Step 4: Simplify right side
    6,438.23x = 24,057,973.22
  5. Step 5: Solve for x
    x = 24,057,973.22/6,438.23
  6. Step 6: Final answer
    x = 3,736.74

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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.