Home / 4,748.78-7,125.91-1,827.32

Finding the Fourth Proportional to 4,748.78, 7,125.91 and 1,827.32

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Solution

The fourth proportional to 4,748.78, 7,125.91 and 1,827.32 is: 2,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.78 : 7,125.91 = 1,827.32 : x
  2. Step 2: Convert to fraction form
    4,748.78/7,125.91 = 1,827.32/x
  3. Step 3: Cross multiply
    4,748.78x = 7,125.91 × 1,827.32
  4. Step 4: Simplify right side
    4,748.78x = 13,021,277.66
  5. Step 5: Solve for x
    x = 13,021,277.66/4,748.78
  6. Step 6: Final answer
    x = 2,742.02

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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.