Home / 4,926.42-7,388.01-1,638.63

Finding the Fourth Proportional to 4,926.42, 7,388.01 and 1,638.63

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Solution

The fourth proportional to 4,926.42, 7,388.01 and 1,638.63 is: 2,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.42 : 7,388.01 = 1,638.63 : x
  2. Step 2: Convert to fraction form
    4,926.42/7,388.01 = 1,638.63/x
  3. Step 3: Cross multiply
    4,926.42x = 7,388.01 × 1,638.63
  4. Step 4: Simplify right side
    4,926.42x = 12,106,226.11
  5. Step 5: Solve for x
    x = 12,106,226.11/4,926.42
  6. Step 6: Final answer
    x = 2,457.41

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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.