Home / 4,815.34-7,223.62-1,653.40

Finding the Fourth Proportional to 4,815.34, 7,223.62 and 1,653.40

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Solution

The fourth proportional to 4,815.34, 7,223.62 and 1,653.40 is: 2,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.34 : 7,223.62 = 1,653.40 : x
  2. Step 2: Convert to fraction form
    4,815.34/7,223.62 = 1,653.40/x
  3. Step 3: Cross multiply
    4,815.34x = 7,223.62 × 1,653.40
  4. Step 4: Simplify right side
    4,815.34x = 11,943,533.31
  5. Step 5: Solve for x
    x = 11,943,533.31/4,815.34
  6. Step 6: Final answer
    x = 2,480.31

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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.