Home / 4,240.78-6,357.45-1,465.54

Finding the Fourth Proportional to 4,240.78, 6,357.45 and 1,465.54

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Solution

The fourth proportional to 4,240.78, 6,357.45 and 1,465.54 is: 2,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.78 : 6,357.45 = 1,465.54 : x
  2. Step 2: Convert to fraction form
    4,240.78/6,357.45 = 1,465.54/x
  3. Step 3: Cross multiply
    4,240.78x = 6,357.45 × 1,465.54
  4. Step 4: Simplify right side
    4,240.78x = 9,317,097.27
  5. Step 5: Solve for x
    x = 9,317,097.27/4,240.78
  6. Step 6: Final answer
    x = 2,197.02

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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.