Home / 4,947.47-7,424.95-1,829.37

Finding the Fourth Proportional to 4,947.47, 7,424.95 and 1,829.37

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Solution

The fourth proportional to 4,947.47, 7,424.95 and 1,829.37 is: 2,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.47 : 7,424.95 = 1,829.37 : x
  2. Step 2: Convert to fraction form
    4,947.47/7,424.95 = 1,829.37/x
  3. Step 3: Cross multiply
    4,947.47x = 7,424.95 × 1,829.37
  4. Step 4: Simplify right side
    4,947.47x = 13,582,980.78
  5. Step 5: Solve for x
    x = 13,582,980.78/4,947.47
  6. Step 6: Final answer
    x = 2,745.44

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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.