Home / 4,741.90-7,108.72-1,818.16

Finding the Fourth Proportional to 4,741.90, 7,108.72 and 1,818.16

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Solution

The fourth proportional to 4,741.90, 7,108.72 and 1,818.16 is: 2,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.90 : 7,108.72 = 1,818.16 : x
  2. Step 2: Convert to fraction form
    4,741.90/7,108.72 = 1,818.16/x
  3. Step 3: Cross multiply
    4,741.90x = 7,108.72 × 1,818.16
  4. Step 4: Simplify right side
    4,741.90x = 12,924,768.04
  5. Step 5: Solve for x
    x = 12,924,768.04/4,741.90
  6. Step 6: Final answer
    x = 2,725.65

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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.