Home / 5,743.85-7,926.46-3,386.07

Finding the Fourth Proportional to 5,743.85, 7,926.46 and 3,386.07

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Solution

The fourth proportional to 5,743.85, 7,926.46 and 3,386.07 is: 4,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.85 : 7,926.46 = 3,386.07 : x
  2. Step 2: Convert to fraction form
    5,743.85/7,926.46 = 3,386.07/x
  3. Step 3: Cross multiply
    5,743.85x = 7,926.46 × 3,386.07
  4. Step 4: Simplify right side
    5,743.85x = 26,839,539.95
  5. Step 5: Solve for x
    x = 26,839,539.95/5,743.85
  6. Step 6: Final answer
    x = 4,672.75

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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.