Home / 8,413.52-11,606.90-5,428.26

Finding the Fourth Proportional to 8,413.52, 11,606.90 and 5,428.26

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Solution

The fourth proportional to 8,413.52, 11,606.90 and 5,428.26 is: 7,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.52 : 11,606.90 = 5,428.26 : x
  2. Step 2: Convert to fraction form
    8,413.52/11,606.90 = 5,428.26/x
  3. Step 3: Cross multiply
    8,413.52x = 11,606.90 × 5,428.26
  4. Step 4: Simplify right side
    8,413.52x = 63,005,243.85
  5. Step 5: Solve for x
    x = 63,005,243.85/8,413.52
  6. Step 6: Final answer
    x = 7,488.58

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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.