Home / 6,347.08-8,758.86-3,514.40

Finding the Fourth Proportional to 6,347.08, 8,758.86 and 3,514.40

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Solution

The fourth proportional to 6,347.08, 8,758.86 and 3,514.40 is: 4,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.08 : 8,758.86 = 3,514.40 : x
  2. Step 2: Convert to fraction form
    6,347.08/8,758.86 = 3,514.40/x
  3. Step 3: Cross multiply
    6,347.08x = 8,758.86 × 3,514.40
  4. Step 4: Simplify right side
    6,347.08x = 30,782,137.58
  5. Step 5: Solve for x
    x = 30,782,137.58/6,347.08
  6. Step 6: Final answer
    x = 4,849.81

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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.