Home / 7,518.96-11,271.24-3,356.64

Finding the Fourth Proportional to 7,518.96, 11,271.24 and 3,356.64

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Solution

The fourth proportional to 7,518.96, 11,271.24 and 3,356.64 is: 5,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.96 : 11,271.24 = 3,356.64 : x
  2. Step 2: Convert to fraction form
    7,518.96/11,271.24 = 3,356.64/x
  3. Step 3: Cross multiply
    7,518.96x = 11,271.24 × 3,356.64
  4. Step 4: Simplify right side
    7,518.96x = 37,833,495.03
  5. Step 5: Solve for x
    x = 37,833,495.03/7,518.96
  6. Step 6: Final answer
    x = 5,031.75

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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.