Home / 4,321.39-6,477.87-2,345.23

Finding the Fourth Proportional to 4,321.39, 6,477.87 and 2,345.23

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Solution

The fourth proportional to 4,321.39, 6,477.87 and 2,345.23 is: 3,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.39 : 6,477.87 = 2,345.23 : x
  2. Step 2: Convert to fraction form
    4,321.39/6,477.87 = 2,345.23/x
  3. Step 3: Cross multiply
    4,321.39x = 6,477.87 × 2,345.23
  4. Step 4: Simplify right side
    4,321.39x = 15,192,078.87
  5. Step 5: Solve for x
    x = 15,192,078.87/4,321.39
  6. Step 6: Final answer
    x = 3,515.56

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1.5x scale

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.