Home / 6,417.15-8,855.55-3,622.65

Finding the Fourth Proportional to 6,417.15, 8,855.55 and 3,622.65

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Solution

The fourth proportional to 6,417.15, 8,855.55 and 3,622.65 is: 4,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.15 : 8,855.55 = 3,622.65 : x
  2. Step 2: Convert to fraction form
    6,417.15/8,855.55 = 3,622.65/x
  3. Step 3: Cross multiply
    6,417.15x = 8,855.55 × 3,622.65
  4. Step 4: Simplify right side
    6,417.15x = 32,080,558.21
  5. Step 5: Solve for x
    x = 32,080,558.21/6,417.15
  6. Step 6: Final answer
    x = 4,999.19

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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.