Home / 4,839.84-7,258.77-1,719.79

Finding the Fourth Proportional to 4,839.84, 7,258.77 and 1,719.79

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Solution

The fourth proportional to 4,839.84, 7,258.77 and 1,719.79 is: 2,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.84 : 7,258.77 = 1,719.79 : x
  2. Step 2: Convert to fraction form
    4,839.84/7,258.77 = 1,719.79/x
  3. Step 3: Cross multiply
    4,839.84x = 7,258.77 × 1,719.79
  4. Step 4: Simplify right side
    4,839.84x = 12,483,541.91
  5. Step 5: Solve for x
    x = 12,483,541.91/4,839.84
  6. Step 6: Final answer
    x = 2,579.33

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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.