Home / 4,896.34-7,345.78-2,122.37

Finding the Fourth Proportional to 4,896.34, 7,345.78 and 2,122.37

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Solution

The fourth proportional to 4,896.34, 7,345.78 and 2,122.37 is: 3,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,896.34 : 7,345.78 = 2,122.37 : x
  2. Step 2: Convert to fraction form
    4,896.34/7,345.78 = 2,122.37/x
  3. Step 3: Cross multiply
    4,896.34x = 7,345.78 × 2,122.37
  4. Step 4: Simplify right side
    4,896.34x = 15,590,448.61
  5. Step 5: Solve for x
    x = 15,590,448.61/4,896.34
  6. Step 6: Final answer
    x = 3,184.10

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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.