Home / 4,847.90-7,271.87-1,728.02

Finding the Fourth Proportional to 4,847.90, 7,271.87 and 1,728.02

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Solution

The fourth proportional to 4,847.90, 7,271.87 and 1,728.02 is: 2,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.90 : 7,271.87 = 1,728.02 : x
  2. Step 2: Convert to fraction form
    4,847.90/7,271.87 = 1,728.02/x
  3. Step 3: Cross multiply
    4,847.90x = 7,271.87 × 1,728.02
  4. Step 4: Simplify right side
    4,847.90x = 12,565,928.16
  5. Step 5: Solve for x
    x = 12,565,928.16/4,847.90
  6. Step 6: Final answer
    x = 2,592.04

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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.