Home / 6,345.23-8,756.33-3,512.39

Finding the Fourth Proportional to 6,345.23, 8,756.33 and 3,512.39

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Solution

The fourth proportional to 6,345.23, 8,756.33 and 3,512.39 is: 4,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.23 : 8,756.33 = 3,512.39 : x
  2. Step 2: Convert to fraction form
    6,345.23/8,756.33 = 3,512.39/x
  3. Step 3: Cross multiply
    6,345.23x = 8,756.33 × 3,512.39
  4. Step 4: Simplify right side
    6,345.23x = 30,755,645.93
  5. Step 5: Solve for x
    x = 30,755,645.93/6,345.23
  6. Step 6: Final answer
    x = 4,847.05

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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.