Home / 7,419.54-10,242.30-4,734.37

Finding the Fourth Proportional to 7,419.54, 10,242.30 and 4,734.37

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Solution

The fourth proportional to 7,419.54, 10,242.30 and 4,734.37 is: 6,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.54 : 10,242.30 = 4,734.37 : x
  2. Step 2: Convert to fraction form
    7,419.54/10,242.30 = 4,734.37/x
  3. Step 3: Cross multiply
    7,419.54x = 10,242.30 × 4,734.37
  4. Step 4: Simplify right side
    7,419.54x = 48,490,837.85
  5. Step 5: Solve for x
    x = 48,490,837.85/7,419.54
  6. Step 6: Final answer
    x = 6,535.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.