Home / 7,425.36-11,137.56-2,808.24

Finding the Fourth Proportional to 7,425.36, 11,137.56 and 2,808.24

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Solution

The fourth proportional to 7,425.36, 11,137.56 and 2,808.24 is: 4,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.36 : 11,137.56 = 2,808.24 : x
  2. Step 2: Convert to fraction form
    7,425.36/11,137.56 = 2,808.24/x
  3. Step 3: Cross multiply
    7,425.36x = 11,137.56 × 2,808.24
  4. Step 4: Simplify right side
    7,425.36x = 31,276,941.49
  5. Step 5: Solve for x
    x = 31,276,941.49/7,425.36
  6. Step 6: Final answer
    x = 4,212.18

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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.