Home / 7,604.85-11,403.63-3,905.18

Finding the Fourth Proportional to 7,604.85, 11,403.63 and 3,905.18

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Solution

The fourth proportional to 7,604.85, 11,403.63 and 3,905.18 is: 5,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604.85 : 11,403.63 = 3,905.18 : x
  2. Step 2: Convert to fraction form
    7,604.85/11,403.63 = 3,905.18/x
  3. Step 3: Cross multiply
    7,604.85x = 11,403.63 × 3,905.18
  4. Step 4: Simplify right side
    7,604.85x = 44,533,170.79
  5. Step 5: Solve for x
    x = 44,533,170.79/7,604.85
  6. Step 6: Final answer
    x = 5,855.89

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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.