Home / 7,125.06-9,832.61-3,938.46

Finding the Fourth Proportional to 7,125.06, 9,832.61 and 3,938.46

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Solution

The fourth proportional to 7,125.06, 9,832.61 and 3,938.46 is: 5,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.06 : 9,832.61 = 3,938.46 : x
  2. Step 2: Convert to fraction form
    7,125.06/9,832.61 = 3,938.46/x
  3. Step 3: Cross multiply
    7,125.06x = 9,832.61 × 3,938.46
  4. Step 4: Simplify right side
    7,125.06x = 38,725,292.00
  5. Step 5: Solve for x
    x = 38,725,292.00/7,125.06
  6. Step 6: Final answer
    x = 5,435.08

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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.