Home / 4,990.46-7,485.62-1,292.67

Finding the Fourth Proportional to 4,990.46, 7,485.62 and 1,292.67

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Solution

The fourth proportional to 4,990.46, 7,485.62 and 1,292.67 is: 1,938.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.46 : 7,485.62 = 1,292.67 : x
  2. Step 2: Convert to fraction form
    4,990.46/7,485.62 = 1,292.67/x
  3. Step 3: Cross multiply
    4,990.46x = 7,485.62 × 1,292.67
  4. Step 4: Simplify right side
    4,990.46x = 9,676,429.94
  5. Step 5: Solve for x
    x = 9,676,429.94/4,990.46
  6. Step 6: Final answer
    x = 1,938.99

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Similar ratio
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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.