Home / 8,516.36-11,752.94-5,157.29

Finding the Fourth Proportional to 8,516.36, 11,752.94 and 5,157.29

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Solution

The fourth proportional to 8,516.36, 11,752.94 and 5,157.29 is: 7,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.36 : 11,752.94 = 5,157.29 : x
  2. Step 2: Convert to fraction form
    8,516.36/11,752.94 = 5,157.29/x
  3. Step 3: Cross multiply
    8,516.36x = 11,752.94 × 5,157.29
  4. Step 4: Simplify right side
    8,516.36x = 60,613,362.21
  5. Step 5: Solve for x
    x = 60,613,362.21/8,516.36
  6. Step 6: Final answer
    x = 7,117.28

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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.