Home / 7,388.85-11,082.69-2,946.36

Finding the Fourth Proportional to 7,388.85, 11,082.69 and 2,946.36

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Solution

The fourth proportional to 7,388.85, 11,082.69 and 2,946.36 is: 4,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.85 : 11,082.69 = 2,946.36 : x
  2. Step 2: Convert to fraction form
    7,388.85/11,082.69 = 2,946.36/x
  3. Step 3: Cross multiply
    7,388.85x = 11,082.69 × 2,946.36
  4. Step 4: Simplify right side
    7,388.85x = 32,653,594.51
  5. Step 5: Solve for x
    x = 32,653,594.51/7,388.85
  6. Step 6: Final answer
    x = 4,419.31

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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.