Home / 7,399.73-10,211.32-4,376.81

Finding the Fourth Proportional to 7,399.73, 10,211.32 and 4,376.81

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Solution

The fourth proportional to 7,399.73, 10,211.32 and 4,376.81 is: 6,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.73 : 10,211.32 = 4,376.81 : x
  2. Step 2: Convert to fraction form
    7,399.73/10,211.32 = 4,376.81/x
  3. Step 3: Cross multiply
    7,399.73x = 10,211.32 × 4,376.81
  4. Step 4: Simplify right side
    7,399.73x = 44,692,992.90
  5. Step 5: Solve for x
    x = 44,692,992.90/7,399.73
  6. Step 6: Final answer
    x = 6,039.82

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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.