Home / 6,199.86-8,554.77-3,715.86

Finding the Fourth Proportional to 6,199.86, 8,554.77 and 3,715.86

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Solution

The fourth proportional to 6,199.86, 8,554.77 and 3,715.86 is: 5,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.86 : 8,554.77 = 3,715.86 : x
  2. Step 2: Convert to fraction form
    6,199.86/8,554.77 = 3,715.86/x
  3. Step 3: Cross multiply
    6,199.86x = 8,554.77 × 3,715.86
  4. Step 4: Simplify right side
    6,199.86x = 31,788,327.65
  5. Step 5: Solve for x
    x = 31,788,327.65/6,199.86
  6. Step 6: Final answer
    x = 5,127.27

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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.