Home / 8,239.65-12,354.93-5,610.78

Finding the Fourth Proportional to 8,239.65, 12,354.93 and 5,610.78

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Solution

The fourth proportional to 8,239.65, 12,354.93 and 5,610.78 is: 8,413.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.65 : 12,354.93 = 5,610.78 : x
  2. Step 2: Convert to fraction form
    8,239.65/12,354.93 = 5,610.78/x
  3. Step 3: Cross multiply
    8,239.65x = 12,354.93 × 5,610.78
  4. Step 4: Simplify right side
    8,239.65x = 69,320,794.15
  5. Step 5: Solve for x
    x = 69,320,794.15/8,239.65
  6. Step 6: Final answer
    x = 8,413.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.