Home / 7,504.84-10,355.20-4,146.99

Finding the Fourth Proportional to 7,504.84, 10,355.20 and 4,146.99

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Solution

The fourth proportional to 7,504.84, 10,355.20 and 4,146.99 is: 5,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.84 : 10,355.20 = 4,146.99 : x
  2. Step 2: Convert to fraction form
    7,504.84/10,355.20 = 4,146.99/x
  3. Step 3: Cross multiply
    7,504.84x = 10,355.20 × 4,146.99
  4. Step 4: Simplify right side
    7,504.84x = 42,942,910.85
  5. Step 5: Solve for x
    x = 42,942,910.85/7,504.84
  6. Step 6: Final answer
    x = 5,722.03

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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.