Home / 4,313.32-6,440.74-3,425.86

Finding the Fourth Proportional to 4,313.32, 6,440.74 and 3,425.86

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Solution

The fourth proportional to 4,313.32, 6,440.74 and 3,425.86 is: 5,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.32 : 6,440.74 = 3,425.86 : x
  2. Step 2: Convert to fraction form
    4,313.32/6,440.74 = 3,425.86/x
  3. Step 3: Cross multiply
    4,313.32x = 6,440.74 × 3,425.86
  4. Step 4: Simplify right side
    4,313.32x = 22,065,073.54
  5. Step 5: Solve for x
    x = 22,065,073.54/4,313.32
  6. Step 6: Final answer
    x = 5,115.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.