Home / 4,211.20-6,317.84-1,902.08

Finding the Fourth Proportional to 4,211.20, 6,317.84 and 1,902.08

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Solution

The fourth proportional to 4,211.20, 6,317.84 and 1,902.08 is: 2,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.20 : 6,317.84 = 1,902.08 : x
  2. Step 2: Convert to fraction form
    4,211.20/6,317.84 = 1,902.08/x
  3. Step 3: Cross multiply
    4,211.20x = 6,317.84 × 1,902.08
  4. Step 4: Simplify right side
    4,211.20x = 12,017,037.11
  5. Step 5: Solve for x
    x = 12,017,037.11/4,211.20
  6. Step 6: Final answer
    x = 2,853.59

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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.