Home / 8,413.81-11,611.42-5,058.18

Finding the Fourth Proportional to 8,413.81, 11,611.42 and 5,058.18

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Solution

The fourth proportional to 8,413.81, 11,611.42 and 5,058.18 is: 6,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.81 : 11,611.42 = 5,058.18 : x
  2. Step 2: Convert to fraction form
    8,413.81/11,611.42 = 5,058.18/x
  3. Step 3: Cross multiply
    8,413.81x = 11,611.42 × 5,058.18
  4. Step 4: Simplify right side
    8,413.81x = 58,732,639.77
  5. Step 5: Solve for x
    x = 58,732,639.77/8,413.81
  6. Step 6: Final answer
    x = 6,980.51

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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.