Home / 7,396.09-10,204.15-4,879.45

Finding the Fourth Proportional to 7,396.09, 10,204.15 and 4,879.45

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Solution

The fourth proportional to 7,396.09, 10,204.15 and 4,879.45 is: 6,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.09 : 10,204.15 = 4,879.45 : x
  2. Step 2: Convert to fraction form
    7,396.09/10,204.15 = 4,879.45/x
  3. Step 3: Cross multiply
    7,396.09x = 10,204.15 × 4,879.45
  4. Step 4: Simplify right side
    7,396.09x = 49,790,639.72
  5. Step 5: Solve for x
    x = 49,790,639.72/7,396.09
  6. Step 6: Final answer
    x = 6,732.02

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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.