Home / 7,205.04-9,939.41-4,815.60

Finding the Fourth Proportional to 7,205.04, 9,939.41 and 4,815.60

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Solution

The fourth proportional to 7,205.04, 9,939.41 and 4,815.60 is: 6,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.04 : 9,939.41 = 4,815.60 : x
  2. Step 2: Convert to fraction form
    7,205.04/9,939.41 = 4,815.60/x
  3. Step 3: Cross multiply
    7,205.04x = 9,939.41 × 4,815.60
  4. Step 4: Simplify right side
    7,205.04x = 47,864,198.72
  5. Step 5: Solve for x
    x = 47,864,198.72/7,205.04
  6. Step 6: Final answer
    x = 6,643.16

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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.