Home / 4,964.40-7,430.40-3,981.60

Finding the Fourth Proportional to 4,964.40, 7,430.40 and 3,981.60

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Solution

The fourth proportional to 4,964.40, 7,430.40 and 3,981.60 is: 5,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.40 : 7,430.40 = 3,981.60 : x
  2. Step 2: Convert to fraction form
    4,964.40/7,430.40 = 3,981.60/x
  3. Step 3: Cross multiply
    4,964.40x = 7,430.40 × 3,981.60
  4. Step 4: Simplify right side
    4,964.40x = 29,584,880.64
  5. Step 5: Solve for x
    x = 29,584,880.64/4,964.40
  6. Step 6: Final answer
    x = 5,959.41

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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.