Home / 6,247.13-8,620.75-3,730.91

Finding the Fourth Proportional to 6,247.13, 8,620.75 and 3,730.91

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Solution

The fourth proportional to 6,247.13, 8,620.75 and 3,730.91 is: 5,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.13 : 8,620.75 = 3,730.91 : x
  2. Step 2: Convert to fraction form
    6,247.13/8,620.75 = 3,730.91/x
  3. Step 3: Cross multiply
    6,247.13x = 8,620.75 × 3,730.91
  4. Step 4: Simplify right side
    6,247.13x = 32,163,268.60
  5. Step 5: Solve for x
    x = 32,163,268.60/6,247.13
  6. Step 6: Final answer
    x = 5,148.49

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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.