Home / 8,413.44-11,607.84-4,686.72

Finding the Fourth Proportional to 8,413.44, 11,607.84 and 4,686.72

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Solution

The fourth proportional to 8,413.44, 11,607.84 and 4,686.72 is: 6,466.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.44 : 11,607.84 = 4,686.72 : x
  2. Step 2: Convert to fraction form
    8,413.44/11,607.84 = 4,686.72/x
  3. Step 3: Cross multiply
    8,413.44x = 11,607.84 × 4,686.72
  4. Step 4: Simplify right side
    8,413.44x = 54,402,695.88
  5. Step 5: Solve for x
    x = 54,402,695.88/8,413.44
  6. Step 6: Final answer
    x = 6,466.17

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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.