Home / 7,385.34-10,189.24-4,198.32

Finding the Fourth Proportional to 7,385.34, 10,189.24 and 4,198.32

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Solution

The fourth proportional to 7,385.34, 10,189.24 and 4,198.32 is: 5,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.34 : 10,189.24 = 4,198.32 : x
  2. Step 2: Convert to fraction form
    7,385.34/10,189.24 = 4,198.32/x
  3. Step 3: Cross multiply
    7,385.34x = 10,189.24 × 4,198.32
  4. Step 4: Simplify right side
    7,385.34x = 42,777,690.08
  5. Step 5: Solve for x
    x = 42,777,690.08/7,385.34
  6. Step 6: Final answer
    x = 5,792.24

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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.