Home / 4,847.46-7,271.19-1,384.80

Finding the Fourth Proportional to 4,847.46, 7,271.19 and 1,384.80

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Solution

The fourth proportional to 4,847.46, 7,271.19 and 1,384.80 is: 2,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.46 : 7,271.19 = 1,384.80 : x
  2. Step 2: Convert to fraction form
    4,847.46/7,271.19 = 1,384.80/x
  3. Step 3: Cross multiply
    4,847.46x = 7,271.19 × 1,384.80
  4. Step 4: Simplify right side
    4,847.46x = 10,069,143.91
  5. Step 5: Solve for x
    x = 10,069,143.91/4,847.46
  6. Step 6: Final answer
    x = 2,077.20

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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.