Home / 4,262.15-6,392.23-1,628.69

Finding the Fourth Proportional to 4,262.15, 6,392.23 and 1,628.69

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Solution

The fourth proportional to 4,262.15, 6,392.23 and 1,628.69 is: 2,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.15 : 6,392.23 = 1,628.69 : x
  2. Step 2: Convert to fraction form
    4,262.15/6,392.23 = 1,628.69/x
  3. Step 3: Cross multiply
    4,262.15x = 6,392.23 × 1,628.69
  4. Step 4: Simplify right side
    4,262.15x = 10,410,925.05
  5. Step 5: Solve for x
    x = 10,410,925.05/4,262.15
  6. Step 6: Final answer
    x = 2,442.64

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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.