Home / 4,815.26-7,223.08-1,528.28

Finding the Fourth Proportional to 4,815.26, 7,223.08 and 1,528.28

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Solution

The fourth proportional to 4,815.26, 7,223.08 and 1,528.28 is: 2,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.26 : 7,223.08 = 1,528.28 : x
  2. Step 2: Convert to fraction form
    4,815.26/7,223.08 = 1,528.28/x
  3. Step 3: Cross multiply
    4,815.26x = 7,223.08 × 1,528.28
  4. Step 4: Simplify right side
    4,815.26x = 11,038,888.70
  5. Step 5: Solve for x
    x = 11,038,888.70/4,815.26
  6. Step 6: Final answer
    x = 2,292.48

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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.