Home / 4,748.64-7,124.16-1,974.48

Finding the Fourth Proportional to 4,748.64, 7,124.16 and 1,974.48

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Solution

The fourth proportional to 4,748.64, 7,124.16 and 1,974.48 is: 2,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.64 : 7,124.16 = 1,974.48 : x
  2. Step 2: Convert to fraction form
    4,748.64/7,124.16 = 1,974.48/x
  3. Step 3: Cross multiply
    4,748.64x = 7,124.16 × 1,974.48
  4. Step 4: Simplify right side
    4,748.64x = 14,066,511.44
  5. Step 5: Solve for x
    x = 14,066,511.44/4,748.64
  6. Step 6: Final answer
    x = 2,962.22

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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.