Home / 7,356.39-10,151.52-3,999.15

Finding the Fourth Proportional to 7,356.39, 10,151.52 and 3,999.15

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Solution

The fourth proportional to 7,356.39, 10,151.52 and 3,999.15 is: 5,518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.39 : 10,151.52 = 3,999.15 : x
  2. Step 2: Convert to fraction form
    7,356.39/10,151.52 = 3,999.15/x
  3. Step 3: Cross multiply
    7,356.39x = 10,151.52 × 3,999.15
  4. Step 4: Simplify right side
    7,356.39x = 40,597,451.21
  5. Step 5: Solve for x
    x = 40,597,451.21/7,356.39
  6. Step 6: Final answer
    x = 5,518.66

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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.