Home / 6,345.35-8,756.06-3,512.67

Finding the Fourth Proportional to 6,345.35, 8,756.06 and 3,512.67

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Solution

The fourth proportional to 6,345.35, 8,756.06 and 3,512.67 is: 4,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.35 : 8,756.06 = 3,512.67 : x
  2. Step 2: Convert to fraction form
    6,345.35/8,756.06 = 3,512.67/x
  3. Step 3: Cross multiply
    6,345.35x = 8,756.06 × 3,512.67
  4. Step 4: Simplify right side
    6,345.35x = 30,757,131.72
  5. Step 5: Solve for x
    x = 30,757,131.72/6,345.35
  6. Step 6: Final answer
    x = 4,847.20

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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.