Home / 7,384.22-10,190.32-4,197.68

Finding the Fourth Proportional to 7,384.22, 10,190.32 and 4,197.68

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Solution

The fourth proportional to 7,384.22, 10,190.32 and 4,197.68 is: 5,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.22 : 10,190.32 = 4,197.68 : x
  2. Step 2: Convert to fraction form
    7,384.22/10,190.32 = 4,197.68/x
  3. Step 3: Cross multiply
    7,384.22x = 10,190.32 × 4,197.68
  4. Step 4: Simplify right side
    7,384.22x = 42,775,702.46
  5. Step 5: Solve for x
    x = 42,775,702.46/7,384.22
  6. Step 6: Final answer
    x = 5,792.85

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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.