Home / 4,196.40-6,291.86-2,347.72

Finding the Fourth Proportional to 4,196.40, 6,291.86 and 2,347.72

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Solution

The fourth proportional to 4,196.40, 6,291.86 and 2,347.72 is: 3,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,196.40 : 6,291.86 = 2,347.72 : x
  2. Step 2: Convert to fraction form
    4,196.40/6,291.86 = 2,347.72/x
  3. Step 3: Cross multiply
    4,196.40x = 6,291.86 × 2,347.72
  4. Step 4: Simplify right side
    4,196.40x = 14,771,525.56
  5. Step 5: Solve for x
    x = 14,771,525.56/4,196.40
  6. Step 6: Final answer
    x = 3,520.05

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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.