Home / 4,209.42-6,314.13-1,868.88

Finding the Fourth Proportional to 4,209.42, 6,314.13 and 1,868.88

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Solution

The fourth proportional to 4,209.42, 6,314.13 and 1,868.88 is: 2,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.42 : 6,314.13 = 1,868.88 : x
  2. Step 2: Convert to fraction form
    4,209.42/6,314.13 = 1,868.88/x
  3. Step 3: Cross multiply
    4,209.42x = 6,314.13 × 1,868.88
  4. Step 4: Simplify right side
    4,209.42x = 11,800,337.13
  5. Step 5: Solve for x
    x = 11,800,337.13/4,209.42
  6. Step 6: Final answer
    x = 2,803.32

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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.