Home / 9,142.14-13,714.35-2,900.46

Finding the Fourth Proportional to 9,142.14, 13,714.35 and 2,900.46

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Solution

The fourth proportional to 9,142.14, 13,714.35 and 2,900.46 is: 4,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.14 : 13,714.35 = 2,900.46 : x
  2. Step 2: Convert to fraction form
    9,142.14/13,714.35 = 2,900.46/x
  3. Step 3: Cross multiply
    9,142.14x = 13,714.35 × 2,900.46
  4. Step 4: Simplify right side
    9,142.14x = 39,777,923.60
  5. Step 5: Solve for x
    x = 39,777,923.60/9,142.14
  6. Step 6: Final answer
    x = 4,351.05

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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.