Home / 7,612.73-11,406.74-3,909.81

Finding the Fourth Proportional to 7,612.73, 11,406.74 and 3,909.81

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Solution

The fourth proportional to 7,612.73, 11,406.74 and 3,909.81 is: 5,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.73 : 11,406.74 = 3,909.81 : x
  2. Step 2: Convert to fraction form
    7,612.73/11,406.74 = 3,909.81/x
  3. Step 3: Cross multiply
    7,612.73x = 11,406.74 × 3,909.81
  4. Step 4: Simplify right side
    7,612.73x = 44,598,166.57
  5. Step 5: Solve for x
    x = 44,598,166.57/7,612.73
  6. Step 6: Final answer
    x = 5,858.37

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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.