Home / 6,246.64-8,628.69-5,081.86

Finding the Fourth Proportional to 6,246.64, 8,628.69 and 5,081.86

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Solution

The fourth proportional to 6,246.64, 8,628.69 and 5,081.86 is: 7,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.64 : 8,628.69 = 5,081.86 : x
  2. Step 2: Convert to fraction form
    6,246.64/8,628.69 = 5,081.86/x
  3. Step 3: Cross multiply
    6,246.64x = 8,628.69 × 5,081.86
  4. Step 4: Simplify right side
    6,246.64x = 43,849,794.56
  5. Step 5: Solve for x
    x = 43,849,794.56/6,246.64
  6. Step 6: Final answer
    x = 7,019.74

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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.