Home / 7,623.19-10,520.94-4,639.33

Finding the Fourth Proportional to 7,623.19, 10,520.94 and 4,639.33

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Solution

The fourth proportional to 7,623.19, 10,520.94 and 4,639.33 is: 6,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.19 : 10,520.94 = 4,639.33 : x
  2. Step 2: Convert to fraction form
    7,623.19/10,520.94 = 4,639.33/x
  3. Step 3: Cross multiply
    7,623.19x = 10,520.94 × 4,639.33
  4. Step 4: Simplify right side
    7,623.19x = 48,810,112.57
  5. Step 5: Solve for x
    x = 48,810,112.57/7,623.19
  6. Step 6: Final answer
    x = 6,402.85

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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.