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Finding the Fourth Proportional to 6,247.32, 8,621.31 and 3,594.68

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Solution

The fourth proportional to 6,247.32, 8,621.31 and 3,594.68 is: 4,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.32 : 8,621.31 = 3,594.68 : x
  2. Step 2: Convert to fraction form
    6,247.32/8,621.31 = 3,594.68/x
  3. Step 3: Cross multiply
    6,247.32x = 8,621.31 × 3,594.68
  4. Step 4: Simplify right side
    6,247.32x = 30,990,807.52
  5. Step 5: Solve for x
    x = 30,990,807.52/6,247.32
  6. Step 6: Final answer
    x = 4,960.66

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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.