Home / 8,722.86-13,083.38-4,561.19

Finding the Fourth Proportional to 8,722.86, 13,083.38 and 4,561.19

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Solution

The fourth proportional to 8,722.86, 13,083.38 and 4,561.19 is: 6,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.86 : 13,083.38 = 4,561.19 : x
  2. Step 2: Convert to fraction form
    8,722.86/13,083.38 = 4,561.19/x
  3. Step 3: Cross multiply
    8,722.86x = 13,083.38 × 4,561.19
  4. Step 4: Simplify right side
    8,722.86x = 59,675,782.02
  5. Step 5: Solve for x
    x = 59,675,782.02/8,722.86
  6. Step 6: Final answer
    x = 6,841.31

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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.