Home / 8,347.48-12,514.74-3,958.36

Finding the Fourth Proportional to 8,347.48, 12,514.74 and 3,958.36

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Solution

The fourth proportional to 8,347.48, 12,514.74 and 3,958.36 is: 5,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.48 : 12,514.74 = 3,958.36 : x
  2. Step 2: Convert to fraction form
    8,347.48/12,514.74 = 3,958.36/x
  3. Step 3: Cross multiply
    8,347.48x = 12,514.74 × 3,958.36
  4. Step 4: Simplify right side
    8,347.48x = 49,537,846.23
  5. Step 5: Solve for x
    x = 49,537,846.23/8,347.48
  6. Step 6: Final answer
    x = 5,934.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.