Home / 4,207.58-6,311.40-1,285.94

Finding the Fourth Proportional to 4,207.58, 6,311.40 and 1,285.94

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Solution

The fourth proportional to 4,207.58, 6,311.40 and 1,285.94 is: 1,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.58 : 6,311.40 = 1,285.94 : x
  2. Step 2: Convert to fraction form
    4,207.58/6,311.40 = 1,285.94/x
  3. Step 3: Cross multiply
    4,207.58x = 6,311.40 × 1,285.94
  4. Step 4: Simplify right side
    4,207.58x = 8,116,081.72
  5. Step 5: Solve for x
    x = 8,116,081.72/4,207.58
  6. Step 6: Final answer
    x = 1,928.92

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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.