Home / 4,815.48-7,222.54-1,528.90

Finding the Fourth Proportional to 4,815.48, 7,222.54 and 1,528.90

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Solution

The fourth proportional to 4,815.48, 7,222.54 and 1,528.90 is: 2,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.48 : 7,222.54 = 1,528.90 : x
  2. Step 2: Convert to fraction form
    4,815.48/7,222.54 = 1,528.90/x
  3. Step 3: Cross multiply
    4,815.48x = 7,222.54 × 1,528.90
  4. Step 4: Simplify right side
    4,815.48x = 11,042,541.41
  5. Step 5: Solve for x
    x = 11,042,541.41/4,815.48
  6. Step 6: Final answer
    x = 2,293.13

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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.