Home / 4,826.80-7,223.40-2,880.40

Finding the Fourth Proportional to 4,826.80, 7,223.40 and 2,880.40

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Solution

The fourth proportional to 4,826.80, 7,223.40 and 2,880.40 is: 4,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.80 : 7,223.40 = 2,880.40 : x
  2. Step 2: Convert to fraction form
    4,826.80/7,223.40 = 2,880.40/x
  3. Step 3: Cross multiply
    4,826.80x = 7,223.40 × 2,880.40
  4. Step 4: Simplify right side
    4,826.80x = 20,806,281.36
  5. Step 5: Solve for x
    x = 20,806,281.36/4,826.80
  6. Step 6: Final answer
    x = 4,310.57

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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.