Home / 5,347.81-7,382.88-3,223.72

Finding the Fourth Proportional to 5,347.81, 7,382.88 and 3,223.72

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Solution

The fourth proportional to 5,347.81, 7,382.88 and 3,223.72 is: 4,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.81 : 7,382.88 = 3,223.72 : x
  2. Step 2: Convert to fraction form
    5,347.81/7,382.88 = 3,223.72/x
  3. Step 3: Cross multiply
    5,347.81x = 7,382.88 × 3,223.72
  4. Step 4: Simplify right side
    5,347.81x = 23,800,305.61
  5. Step 5: Solve for x
    x = 23,800,305.61/5,347.81
  6. Step 6: Final answer
    x = 4,450.48

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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.