Home / 4,941.70-7,412.55-4,423.30

Finding the Fourth Proportional to 4,941.70, 7,412.55 and 4,423.30

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Solution

The fourth proportional to 4,941.70, 7,412.55 and 4,423.30 is: 6,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.70 : 7,412.55 = 4,423.30 : x
  2. Step 2: Convert to fraction form
    4,941.70/7,412.55 = 4,423.30/x
  3. Step 3: Cross multiply
    4,941.70x = 7,412.55 × 4,423.30
  4. Step 4: Simplify right side
    4,941.70x = 32,787,932.42
  5. Step 5: Solve for x
    x = 32,787,932.42/4,941.70
  6. Step 6: Final answer
    x = 6,634.95

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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.