Home / 7,125.37-9,832.46-3,938.63

Finding the Fourth Proportional to 7,125.37, 9,832.46 and 3,938.63

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Solution

The fourth proportional to 7,125.37, 9,832.46 and 3,938.63 is: 5,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.37 : 9,832.46 = 3,938.63 : x
  2. Step 2: Convert to fraction form
    7,125.37/9,832.46 = 3,938.63/x
  3. Step 3: Cross multiply
    7,125.37x = 9,832.46 × 3,938.63
  4. Step 4: Simplify right side
    7,125.37x = 38,726,353.07
  5. Step 5: Solve for x
    x = 38,726,353.07/7,125.37
  6. Step 6: Final answer
    x = 5,435.00

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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.