Home / 6,247.20-8,619.72-3,730.13

Finding the Fourth Proportional to 6,247.20, 8,619.72 and 3,730.13

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Solution

The fourth proportional to 6,247.20, 8,619.72 and 3,730.13 is: 5,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.20 : 8,619.72 = 3,730.13 : x
  2. Step 2: Convert to fraction form
    6,247.20/8,619.72 = 3,730.13/x
  3. Step 3: Cross multiply
    6,247.20x = 8,619.72 × 3,730.13
  4. Step 4: Simplify right side
    6,247.20x = 32,152,614.41
  5. Step 5: Solve for x
    x = 32,152,614.41/6,247.20
  6. Step 6: Final answer
    x = 5,146.72

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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.