Home / 6,435.30-8,882.46-3,783.56

Finding the Fourth Proportional to 6,435.30, 8,882.46 and 3,783.56

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Solution

The fourth proportional to 6,435.30, 8,882.46 and 3,783.56 is: 5,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.30 : 8,882.46 = 3,783.56 : x
  2. Step 2: Convert to fraction form
    6,435.30/8,882.46 = 3,783.56/x
  3. Step 3: Cross multiply
    6,435.30x = 8,882.46 × 3,783.56
  4. Step 4: Simplify right side
    6,435.30x = 33,607,320.36
  5. Step 5: Solve for x
    x = 33,607,320.36/6,435.30
  6. Step 6: Final answer
    x = 5,222.34

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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.