Home / 8,727.31-13,086.60-4,347.19

Finding the Fourth Proportional to 8,727.31, 13,086.60 and 4,347.19

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Solution

The fourth proportional to 8,727.31, 13,086.60 and 4,347.19 is: 6,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.31 : 13,086.60 = 4,347.19 : x
  2. Step 2: Convert to fraction form
    8,727.31/13,086.60 = 4,347.19/x
  3. Step 3: Cross multiply
    8,727.31x = 13,086.60 × 4,347.19
  4. Step 4: Simplify right side
    8,727.31x = 56,889,936.65
  5. Step 5: Solve for x
    x = 56,889,936.65/8,727.31
  6. Step 6: Final answer
    x = 6,518.61

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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.