Home / 8,516.31-11,752.59-4,739.28

Finding the Fourth Proportional to 8,516.31, 11,752.59 and 4,739.28

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Solution

The fourth proportional to 8,516.31, 11,752.59 and 4,739.28 is: 6,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.31 : 11,752.59 = 4,739.28 : x
  2. Step 2: Convert to fraction form
    8,516.31/11,752.59 = 4,739.28/x
  3. Step 3: Cross multiply
    8,516.31x = 11,752.59 × 4,739.28
  4. Step 4: Simplify right side
    8,516.31x = 55,698,814.74
  5. Step 5: Solve for x
    x = 55,698,814.74/8,516.31
  6. Step 6: Final answer
    x = 6,540.25

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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.