Home / 4,743.31-6,545.78-2,647.44

Finding the Fourth Proportional to 4,743.31, 6,545.78 and 2,647.44

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Solution

The fourth proportional to 4,743.31, 6,545.78 and 2,647.44 is: 3,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.31 : 6,545.78 = 2,647.44 : x
  2. Step 2: Convert to fraction form
    4,743.31/6,545.78 = 2,647.44/x
  3. Step 3: Cross multiply
    4,743.31x = 6,545.78 × 2,647.44
  4. Step 4: Simplify right side
    4,743.31x = 17,329,559.80
  5. Step 5: Solve for x
    x = 17,329,559.80/4,743.31
  6. Step 6: Final answer
    x = 3,653.47

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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.