Home / 4,869.84-6,719.88-2,880.01

Finding the Fourth Proportional to 4,869.84, 6,719.88 and 2,880.01

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Solution

The fourth proportional to 4,869.84, 6,719.88 and 2,880.01 is: 3,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.84 : 6,719.88 = 2,880.01 : x
  2. Step 2: Convert to fraction form
    4,869.84/6,719.88 = 2,880.01/x
  3. Step 3: Cross multiply
    4,869.84x = 6,719.88 × 2,880.01
  4. Step 4: Simplify right side
    4,869.84x = 19,353,304.80
  5. Step 5: Solve for x
    x = 19,353,304.80/4,869.84
  6. Step 6: Final answer
    x = 3,974.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.