Home / 4,647.38-6,412.37-2,758.32

Finding the Fourth Proportional to 4,647.38, 6,412.37 and 2,758.32

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Solution

The fourth proportional to 4,647.38, 6,412.37 and 2,758.32 is: 3,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.38 : 6,412.37 = 2,758.32 : x
  2. Step 2: Convert to fraction form
    4,647.38/6,412.37 = 2,758.32/x
  3. Step 3: Cross multiply
    4,647.38x = 6,412.37 × 2,758.32
  4. Step 4: Simplify right side
    4,647.38x = 17,687,354.63
  5. Step 5: Solve for x
    x = 17,687,354.63/4,647.38
  6. Step 6: Final answer
    x = 3,805.88

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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.