Home / 4,714.07-7,066.78-2,115.59

Finding the Fourth Proportional to 4,714.07, 7,066.78 and 2,115.59

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Solution

The fourth proportional to 4,714.07, 7,066.78 and 2,115.59 is: 3,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714.07 : 7,066.78 = 2,115.59 : x
  2. Step 2: Convert to fraction form
    4,714.07/7,066.78 = 2,115.59/x
  3. Step 3: Cross multiply
    4,714.07x = 7,066.78 × 2,115.59
  4. Step 4: Simplify right side
    4,714.07x = 14,950,409.10
  5. Step 5: Solve for x
    x = 14,950,409.10/4,714.07
  6. Step 6: Final answer
    x = 3,171.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.