Home / 4,972.60-7,458.30-2,893.78

Finding the Fourth Proportional to 4,972.60, 7,458.30 and 2,893.78

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Solution

The fourth proportional to 4,972.60, 7,458.30 and 2,893.78 is: 4,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.60 : 7,458.30 = 2,893.78 : x
  2. Step 2: Convert to fraction form
    4,972.60/7,458.30 = 2,893.78/x
  3. Step 3: Cross multiply
    4,972.60x = 7,458.30 × 2,893.78
  4. Step 4: Simplify right side
    4,972.60x = 21,582,679.37
  5. Step 5: Solve for x
    x = 21,582,679.37/4,972.60
  6. Step 6: Final answer
    x = 4,340.32

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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.