Home / 6,919.26-9,548.70-3,775.47

Finding the Fourth Proportional to 6,919.26, 9,548.70 and 3,775.47

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Solution

The fourth proportional to 6,919.26, 9,548.70 and 3,775.47 is: 5,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.26 : 9,548.70 = 3,775.47 : x
  2. Step 2: Convert to fraction form
    6,919.26/9,548.70 = 3,775.47/x
  3. Step 3: Cross multiply
    6,919.26x = 9,548.70 × 3,775.47
  4. Step 4: Simplify right side
    6,919.26x = 36,050,830.39
  5. Step 5: Solve for x
    x = 36,050,830.39/6,919.26
  6. Step 6: Final answer
    x = 5,210.21

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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.