Home / 7,809.41-10,777.00-4,272.60

Finding the Fourth Proportional to 7,809.41, 10,777.00 and 4,272.60

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Solution

The fourth proportional to 7,809.41, 10,777.00 and 4,272.60 is: 5,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.41 : 10,777.00 = 4,272.60 : x
  2. Step 2: Convert to fraction form
    7,809.41/10,777.00 = 4,272.60/x
  3. Step 3: Cross multiply
    7,809.41x = 10,777.00 × 4,272.60
  4. Step 4: Simplify right side
    7,809.41x = 46,045,787.32
  5. Step 5: Solve for x
    x = 46,045,787.32/7,809.41
  6. Step 6: Final answer
    x = 5,896.19

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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.