Home / 6,919.12-9,548.36-3,775.36

Finding the Fourth Proportional to 6,919.12, 9,548.36 and 3,775.36

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Solution

The fourth proportional to 6,919.12, 9,548.36 and 3,775.36 is: 5,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.12 : 9,548.36 = 3,775.36 : x
  2. Step 2: Convert to fraction form
    6,919.12/9,548.36 = 3,775.36/x
  3. Step 3: Cross multiply
    6,919.12x = 9,548.36 × 3,775.36
  4. Step 4: Simplify right side
    6,919.12x = 36,048,496.41
  5. Step 5: Solve for x
    x = 36,048,496.41/6,919.12
  6. Step 6: Final answer
    x = 5,209.98

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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.