Home / 8,413.12-11,609.69-4,877.48

Finding the Fourth Proportional to 8,413.12, 11,609.69 and 4,877.48

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Solution

The fourth proportional to 8,413.12, 11,609.69 and 4,877.48 is: 6,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.12 : 11,609.69 = 4,877.48 : x
  2. Step 2: Convert to fraction form
    8,413.12/11,609.69 = 4,877.48/x
  3. Step 3: Cross multiply
    8,413.12x = 11,609.69 × 4,877.48
  4. Step 4: Simplify right side
    8,413.12x = 56,626,030.78
  5. Step 5: Solve for x
    x = 56,626,030.78/8,413.12
  6. Step 6: Final answer
    x = 6,730.68

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Double scale
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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.