Home / 4,669.32-6,443.39-2,679.69

Finding the Fourth Proportional to 4,669.32, 6,443.39 and 2,679.69

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Solution

The fourth proportional to 4,669.32, 6,443.39 and 2,679.69 is: 3,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.32 : 6,443.39 = 2,679.69 : x
  2. Step 2: Convert to fraction form
    4,669.32/6,443.39 = 2,679.69/x
  3. Step 3: Cross multiply
    4,669.32x = 6,443.39 × 2,679.69
  4. Step 4: Simplify right side
    4,669.32x = 17,266,287.75
  5. Step 5: Solve for x
    x = 17,266,287.75/4,669.32
  6. Step 6: Final answer
    x = 3,697.82

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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.