Home / 7,356.20-10,151.62-3,999.02

Finding the Fourth Proportional to 7,356.20, 10,151.62 and 3,999.02

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Solution

The fourth proportional to 7,356.20, 10,151.62 and 3,999.02 is: 5,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.20 : 10,151.62 = 3,999.02 : x
  2. Step 2: Convert to fraction form
    7,356.20/10,151.62 = 3,999.02/x
  3. Step 3: Cross multiply
    7,356.20x = 10,151.62 × 3,999.02
  4. Step 4: Simplify right side
    7,356.20x = 40,596,531.41
  5. Step 5: Solve for x
    x = 40,596,531.41/7,356.20
  6. Step 6: Final answer
    x = 5,518.68

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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.