Home / 7,578.96-11,370.06-4,293.60

Finding the Fourth Proportional to 7,578.96, 11,370.06 and 4,293.60

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Solution

The fourth proportional to 7,578.96, 11,370.06 and 4,293.60 is: 6,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.96 : 11,370.06 = 4,293.60 : x
  2. Step 2: Convert to fraction form
    7,578.96/11,370.06 = 4,293.60/x
  3. Step 3: Cross multiply
    7,578.96x = 11,370.06 × 4,293.60
  4. Step 4: Simplify right side
    7,578.96x = 48,818,489.62
  5. Step 5: Solve for x
    x = 48,818,489.62/7,578.96
  6. Step 6: Final answer
    x = 6,441.32

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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.