Home / 7,190.16-10,788.64-3,031.12

Finding the Fourth Proportional to 7,190.16, 10,788.64 and 3,031.12

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Solution

The fourth proportional to 7,190.16, 10,788.64 and 3,031.12 is: 4,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.16 : 10,788.64 = 3,031.12 : x
  2. Step 2: Convert to fraction form
    7,190.16/10,788.64 = 3,031.12/x
  3. Step 3: Cross multiply
    7,190.16x = 10,788.64 × 3,031.12
  4. Step 4: Simplify right side
    7,190.16x = 32,701,662.48
  5. Step 5: Solve for x
    x = 32,701,662.48/7,190.16
  6. Step 6: Final answer
    x = 4,548.11

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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.