Home / 4,690.50-7,035.57-1,180.55

Finding the Fourth Proportional to 4,690.50, 7,035.57 and 1,180.55

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Solution

The fourth proportional to 4,690.50, 7,035.57 and 1,180.55 is: 1,770.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.50 : 7,035.57 = 1,180.55 : x
  2. Step 2: Convert to fraction form
    4,690.50/7,035.57 = 1,180.55/x
  3. Step 3: Cross multiply
    4,690.50x = 7,035.57 × 1,180.55
  4. Step 4: Simplify right side
    4,690.50x = 8,305,806.99
  5. Step 5: Solve for x
    x = 8,305,806.99/4,690.50
  6. Step 6: Final answer
    x = 1,770.77

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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.