Home / 8,937.69-13,413.01-6,287.77

Finding the Fourth Proportional to 8,937.69, 13,413.01 and 6,287.77

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Solution

The fourth proportional to 8,937.69, 13,413.01 and 6,287.77 is: 9,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.69 : 13,413.01 = 6,287.77 : x
  2. Step 2: Convert to fraction form
    8,937.69/13,413.01 = 6,287.77/x
  3. Step 3: Cross multiply
    8,937.69x = 13,413.01 × 6,287.77
  4. Step 4: Simplify right side
    8,937.69x = 84,337,921.89
  5. Step 5: Solve for x
    x = 84,337,921.89/8,937.69
  6. Step 6: Final answer
    x = 9,436.21

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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.