Home / 9,372.02-12,933.38-5,180.27

Finding the Fourth Proportional to 9,372.02, 12,933.38 and 5,180.27

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Solution

The fourth proportional to 9,372.02, 12,933.38 and 5,180.27 is: 7,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.02 : 12,933.38 = 5,180.27 : x
  2. Step 2: Convert to fraction form
    9,372.02/12,933.38 = 5,180.27/x
  3. Step 3: Cross multiply
    9,372.02x = 12,933.38 × 5,180.27
  4. Step 4: Simplify right side
    9,372.02x = 66,998,400.41
  5. Step 5: Solve for x
    x = 66,998,400.41/9,372.02
  6. Step 6: Final answer
    x = 7,148.77

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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.