Home / 4,985.48-6,882.75-3,921.14

Finding the Fourth Proportional to 4,985.48, 6,882.75 and 3,921.14

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Solution

The fourth proportional to 4,985.48, 6,882.75 and 3,921.14 is: 5,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.48 : 6,882.75 = 3,921.14 : x
  2. Step 2: Convert to fraction form
    4,985.48/6,882.75 = 3,921.14/x
  3. Step 3: Cross multiply
    4,985.48x = 6,882.75 × 3,921.14
  4. Step 4: Simplify right side
    4,985.48x = 26,988,191.92
  5. Step 5: Solve for x
    x = 26,988,191.92/4,985.48
  6. Step 6: Final answer
    x = 5,413.36

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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.