Home / 8,635.86-12,953.77-2,713.19

Finding the Fourth Proportional to 8,635.86, 12,953.77 and 2,713.19

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Solution

The fourth proportional to 8,635.86, 12,953.77 and 2,713.19 is: 4,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.86 : 12,953.77 = 2,713.19 : x
  2. Step 2: Convert to fraction form
    8,635.86/12,953.77 = 2,713.19/x
  3. Step 3: Cross multiply
    8,635.86x = 12,953.77 × 2,713.19
  4. Step 4: Simplify right side
    8,635.86x = 35,145,967.67
  5. Step 5: Solve for x
    x = 35,145,967.67/8,635.86
  6. Step 6: Final answer
    x = 4,069.77

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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.