Home / 9,400.49-12,972.67-5,623.81

Finding the Fourth Proportional to 9,400.49, 12,972.67 and 5,623.81

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Solution

The fourth proportional to 9,400.49, 12,972.67 and 5,623.81 is: 7,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.49 : 12,972.67 = 5,623.81 : x
  2. Step 2: Convert to fraction form
    9,400.49/12,972.67 = 5,623.81/x
  3. Step 3: Cross multiply
    9,400.49x = 12,972.67 × 5,623.81
  4. Step 4: Simplify right side
    9,400.49x = 72,955,845.33
  5. Step 5: Solve for x
    x = 72,955,845.33/9,400.49
  6. Step 6: Final answer
    x = 7,760.86

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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.