Home / 4,421.70-6,101.82-2,405.05

Finding the Fourth Proportional to 4,421.70, 6,101.82 and 2,405.05

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Solution

The fourth proportional to 4,421.70, 6,101.82 and 2,405.05 is: 3,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.70 : 6,101.82 = 2,405.05 : x
  2. Step 2: Convert to fraction form
    4,421.70/6,101.82 = 2,405.05/x
  3. Step 3: Cross multiply
    4,421.70x = 6,101.82 × 2,405.05
  4. Step 4: Simplify right side
    4,421.70x = 14,675,182.19
  5. Step 5: Solve for x
    x = 14,675,182.19/4,421.70
  6. Step 6: Final answer
    x = 3,318.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.