Home / 8,279.34-11,425.40-4,502.44

Finding the Fourth Proportional to 8,279.34, 11,425.40 and 4,502.44

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Solution

The fourth proportional to 8,279.34, 11,425.40 and 4,502.44 is: 6,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.34 : 11,425.40 = 4,502.44 : x
  2. Step 2: Convert to fraction form
    8,279.34/11,425.40 = 4,502.44/x
  3. Step 3: Cross multiply
    8,279.34x = 11,425.40 × 4,502.44
  4. Step 4: Simplify right side
    8,279.34x = 51,442,203.51
  5. Step 5: Solve for x
    x = 51,442,203.51/8,279.34
  6. Step 6: Final answer
    x = 6,213.32

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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.