Home / 6,407.43-8,842.32-3,575.07

Finding the Fourth Proportional to 6,407.43, 8,842.32 and 3,575.07

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Solution

The fourth proportional to 6,407.43, 8,842.32 and 3,575.07 is: 4,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.43 : 8,842.32 = 3,575.07 : x
  2. Step 2: Convert to fraction form
    6,407.43/8,842.32 = 3,575.07/x
  3. Step 3: Cross multiply
    6,407.43x = 8,842.32 × 3,575.07
  4. Step 4: Simplify right side
    6,407.43x = 31,611,912.96
  5. Step 5: Solve for x
    x = 31,611,912.96/6,407.43
  6. Step 6: Final answer
    x = 4,933.63

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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.