Home / 4,847.60-7,271.40-1,384.40

Finding the Fourth Proportional to 4,847.60, 7,271.40 and 1,384.40

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Solution

The fourth proportional to 4,847.60, 7,271.40 and 1,384.40 is: 2,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.60 : 7,271.40 = 1,384.40 : x
  2. Step 2: Convert to fraction form
    4,847.60/7,271.40 = 1,384.40/x
  3. Step 3: Cross multiply
    4,847.60x = 7,271.40 × 1,384.40
  4. Step 4: Simplify right side
    4,847.60x = 10,066,526.16
  5. Step 5: Solve for x
    x = 10,066,526.16/4,847.60
  6. Step 6: Final answer
    x = 2,076.60

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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.