Home / 4,208.62-6,312.95-1,286.93

Finding the Fourth Proportional to 4,208.62, 6,312.95 and 1,286.93

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Solution

The fourth proportional to 4,208.62, 6,312.95 and 1,286.93 is: 1,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.62 : 6,312.95 = 1,286.93 : x
  2. Step 2: Convert to fraction form
    4,208.62/6,312.95 = 1,286.93/x
  3. Step 3: Cross multiply
    4,208.62x = 6,312.95 × 1,286.93
  4. Step 4: Simplify right side
    4,208.62x = 8,124,324.74
  5. Step 5: Solve for x
    x = 8,124,324.74/4,208.62
  6. Step 6: Final answer
    x = 1,930.40

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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.