Home / 8,207.07-12,314.63-5,086.25

Finding the Fourth Proportional to 8,207.07, 12,314.63 and 5,086.25

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Solution

The fourth proportional to 8,207.07, 12,314.63 and 5,086.25 is: 7,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.07 : 12,314.63 = 5,086.25 : x
  2. Step 2: Convert to fraction form
    8,207.07/12,314.63 = 5,086.25/x
  3. Step 3: Cross multiply
    8,207.07x = 12,314.63 × 5,086.25
  4. Step 4: Simplify right side
    8,207.07x = 62,635,199.83
  5. Step 5: Solve for x
    x = 62,635,199.83/8,207.07
  6. Step 6: Final answer
    x = 7,631.86

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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.