Home / 7,817.73-10,788.44-4,280.91

Finding the Fourth Proportional to 7,817.73, 10,788.44 and 4,280.91

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Solution

The fourth proportional to 7,817.73, 10,788.44 and 4,280.91 is: 5,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.73 : 10,788.44 = 4,280.91 : x
  2. Step 2: Convert to fraction form
    7,817.73/10,788.44 = 4,280.91/x
  3. Step 3: Cross multiply
    7,817.73x = 10,788.44 × 4,280.91
  4. Step 4: Simplify right side
    7,817.73x = 46,184,297.44
  5. Step 5: Solve for x
    x = 46,184,297.44/7,817.73
  6. Step 6: Final answer
    x = 5,907.64

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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.