Home / 8,413.90-11,597.52-6,729.91

Finding the Fourth Proportional to 8,413.90, 11,597.52 and 6,729.91

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Solution

The fourth proportional to 8,413.90, 11,597.52 and 6,729.91 is: 9,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.90 : 11,597.52 = 6,729.91 : x
  2. Step 2: Convert to fraction form
    8,413.90/11,597.52 = 6,729.91/x
  3. Step 3: Cross multiply
    8,413.90x = 11,597.52 × 6,729.91
  4. Step 4: Simplify right side
    8,413.90x = 78,050,265.82
  5. Step 5: Solve for x
    x = 78,050,265.82/8,413.90
  6. Step 6: Final answer
    x = 9,276.35

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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.