Home / 8,494.81-11,720.96-5,137.56

Finding the Fourth Proportional to 8,494.81, 11,720.96 and 5,137.56

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Solution

The fourth proportional to 8,494.81, 11,720.96 and 5,137.56 is: 7,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.81 : 11,720.96 = 5,137.56 : x
  2. Step 2: Convert to fraction form
    8,494.81/11,720.96 = 5,137.56/x
  3. Step 3: Cross multiply
    8,494.81x = 11,720.96 × 5,137.56
  4. Step 4: Simplify right side
    8,494.81x = 60,217,080.27
  5. Step 5: Solve for x
    x = 60,217,080.27/8,494.81
  6. Step 6: Final answer
    x = 7,088.69

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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.