Home / 8,413.46-11,610.65-4,636.75

Finding the Fourth Proportional to 8,413.46, 11,610.65 and 4,636.75

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Solution

The fourth proportional to 8,413.46, 11,610.65 and 4,636.75 is: 6,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.46 : 11,610.65 = 4,636.75 : x
  2. Step 2: Convert to fraction form
    8,413.46/11,610.65 = 4,636.75/x
  3. Step 3: Cross multiply
    8,413.46x = 11,610.65 × 4,636.75
  4. Step 4: Simplify right side
    8,413.46x = 53,835,681.39
  5. Step 5: Solve for x
    x = 53,835,681.39/8,413.46
  6. Step 6: Final answer
    x = 6,398.76

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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.