Home / 8,514.18-11,749.32-4,928.58

Finding the Fourth Proportional to 8,514.18, 11,749.32 and 4,928.58

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Solution

The fourth proportional to 8,514.18, 11,749.32 and 4,928.58 is: 6,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.18 : 11,749.32 = 4,928.58 : x
  2. Step 2: Convert to fraction form
    8,514.18/11,749.32 = 4,928.58/x
  3. Step 3: Cross multiply
    8,514.18x = 11,749.32 × 4,928.58
  4. Step 4: Simplify right side
    8,514.18x = 57,907,463.57
  5. Step 5: Solve for x
    x = 57,907,463.57/8,514.18
  6. Step 6: Final answer
    x = 6,801.30

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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.