Home / 8,256.74-11,394.37-4,479.91

Finding the Fourth Proportional to 8,256.74, 11,394.37 and 4,479.91

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Solution

The fourth proportional to 8,256.74, 11,394.37 and 4,479.91 is: 6,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.74 : 11,394.37 = 4,479.91 : x
  2. Step 2: Convert to fraction form
    8,256.74/11,394.37 = 4,479.91/x
  3. Step 3: Cross multiply
    8,256.74x = 11,394.37 × 4,479.91
  4. Step 4: Simplify right side
    8,256.74x = 51,045,729.22
  5. Step 5: Solve for x
    x = 51,045,729.22/8,256.74
  6. Step 6: Final answer
    x = 6,182.31

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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.