Home / 6,944.90-10,413.70-5,209.88

Finding the Fourth Proportional to 6,944.90, 10,413.70 and 5,209.88

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Solution

The fourth proportional to 6,944.90, 10,413.70 and 5,209.88 is: 7,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,944.90 : 10,413.70 = 5,209.88 : x
  2. Step 2: Convert to fraction form
    6,944.90/10,413.70 = 5,209.88/x
  3. Step 3: Cross multiply
    6,944.90x = 10,413.70 × 5,209.88
  4. Step 4: Simplify right side
    6,944.90x = 54,254,062.26
  5. Step 5: Solve for x
    x = 54,254,062.26/6,944.90
  6. Step 6: Final answer
    x = 7,812.08

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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.