Home / 7,197.08-10,781.48-6,413.40

Finding the Fourth Proportional to 7,197.08, 10,781.48 and 6,413.40

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Solution

The fourth proportional to 7,197.08, 10,781.48 and 6,413.40 is: 9,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.08 : 10,781.48 = 6,413.40 : x
  2. Step 2: Convert to fraction form
    7,197.08/10,781.48 = 6,413.40/x
  3. Step 3: Cross multiply
    7,197.08x = 10,781.48 × 6,413.40
  4. Step 4: Simplify right side
    7,197.08x = 69,145,959.87
  5. Step 5: Solve for x
    x = 69,145,959.87/7,197.08
  6. Step 6: Final answer
    x = 9,607.51

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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.