Home / 6,365.97-8,784.58-3,977.01

Finding the Fourth Proportional to 6,365.97, 8,784.58 and 3,977.01

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Solution

The fourth proportional to 6,365.97, 8,784.58 and 3,977.01 is: 5,487.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.97 : 8,784.58 = 3,977.01 : x
  2. Step 2: Convert to fraction form
    6,365.97/8,784.58 = 3,977.01/x
  3. Step 3: Cross multiply
    6,365.97x = 8,784.58 × 3,977.01
  4. Step 4: Simplify right side
    6,365.97x = 34,936,362.51
  5. Step 5: Solve for x
    x = 34,936,362.51/6,365.97
  6. Step 6: Final answer
    x = 5,487.99

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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.