Home / 4,047.40-6,066.78-3,320.36

Finding the Fourth Proportional to 4,047.40, 6,066.78 and 3,320.36

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Solution

The fourth proportional to 4,047.40, 6,066.78 and 3,320.36 is: 4,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.40 : 6,066.78 = 3,320.36 : x
  2. Step 2: Convert to fraction form
    4,047.40/6,066.78 = 3,320.36/x
  3. Step 3: Cross multiply
    4,047.40x = 6,066.78 × 3,320.36
  4. Step 4: Simplify right side
    4,047.40x = 20,143,893.64
  5. Step 5: Solve for x
    x = 20,143,893.64/4,047.40
  6. Step 6: Final answer
    x = 4,977.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.