Home / 6,426.36-8,868.50-3,772.80

Finding the Fourth Proportional to 6,426.36, 8,868.50 and 3,772.80

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Solution

The fourth proportional to 6,426.36, 8,868.50 and 3,772.80 is: 5,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.36 : 8,868.50 = 3,772.80 : x
  2. Step 2: Convert to fraction form
    6,426.36/8,868.50 = 3,772.80/x
  3. Step 3: Cross multiply
    6,426.36x = 8,868.50 × 3,772.80
  4. Step 4: Simplify right side
    6,426.36x = 33,459,076.80
  5. Step 5: Solve for x
    x = 33,459,076.80/6,426.36
  6. Step 6: Final answer
    x = 5,206.54

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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.