Home / 7,855.46-10,840.72-4,270.62

Finding the Fourth Proportional to 7,855.46, 10,840.72 and 4,270.62

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Solution

The fourth proportional to 7,855.46, 10,840.72 and 4,270.62 is: 5,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.46 : 10,840.72 = 4,270.62 : x
  2. Step 2: Convert to fraction form
    7,855.46/10,840.72 = 4,270.62/x
  3. Step 3: Cross multiply
    7,855.46x = 10,840.72 × 4,270.62
  4. Step 4: Simplify right side
    7,855.46x = 46,296,641.64
  5. Step 5: Solve for x
    x = 46,296,641.64/7,855.46
  6. Step 6: Final answer
    x = 5,893.56

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1.5x scale

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.