Home / 6,730.12-9,279.62-4,606.68

Finding the Fourth Proportional to 6,730.12, 9,279.62 and 4,606.68

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Solution

The fourth proportional to 6,730.12, 9,279.62 and 4,606.68 is: 6,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,730.12 : 9,279.62 = 4,606.68 : x
  2. Step 2: Convert to fraction form
    6,730.12/9,279.62 = 4,606.68/x
  3. Step 3: Cross multiply
    6,730.12x = 9,279.62 × 4,606.68
  4. Step 4: Simplify right side
    6,730.12x = 42,748,239.86
  5. Step 5: Solve for x
    x = 42,748,239.86/6,730.12
  6. Step 6: Final answer
    x = 6,351.78

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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.