Home / 9,081.64-13,613.86-4,148.36

Finding the Fourth Proportional to 9,081.64, 13,613.86 and 4,148.36

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Solution

The fourth proportional to 9,081.64, 13,613.86 and 4,148.36 is: 6,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.64 : 13,613.86 = 4,148.36 : x
  2. Step 2: Convert to fraction form
    9,081.64/13,613.86 = 4,148.36/x
  3. Step 3: Cross multiply
    9,081.64x = 13,613.86 × 4,148.36
  4. Step 4: Simplify right side
    9,081.64x = 56,475,192.27
  5. Step 5: Solve for x
    x = 56,475,192.27/9,081.64
  6. Step 6: Final answer
    x = 6,218.61

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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.