Home / 4,912.02-7,347.78-3,154.32

Finding the Fourth Proportional to 4,912.02, 7,347.78 and 3,154.32

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Solution

The fourth proportional to 4,912.02, 7,347.78 and 3,154.32 is: 4,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.02 : 7,347.78 = 3,154.32 : x
  2. Step 2: Convert to fraction form
    4,912.02/7,347.78 = 3,154.32/x
  3. Step 3: Cross multiply
    4,912.02x = 7,347.78 × 3,154.32
  4. Step 4: Simplify right side
    4,912.02x = 23,177,249.41
  5. Step 5: Solve for x
    x = 23,177,249.41/4,912.02
  6. Step 6: Final answer
    x = 4,718.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.