Home / 6,845.46-10,266.75-1,913.78

Finding the Fourth Proportional to 6,845.46, 10,266.75 and 1,913.78

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Solution

The fourth proportional to 6,845.46, 10,266.75 and 1,913.78 is: 2,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.46 : 10,266.75 = 1,913.78 : x
  2. Step 2: Convert to fraction form
    6,845.46/10,266.75 = 1,913.78/x
  3. Step 3: Cross multiply
    6,845.46x = 10,266.75 × 1,913.78
  4. Step 4: Simplify right side
    6,845.46x = 19,648,268.73
  5. Step 5: Solve for x
    x = 19,648,268.73/6,845.46
  6. Step 6: Final answer
    x = 2,870.26

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1.5x scale

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.