Home / 4,830.30-7,245.72-1,543.50

Finding the Fourth Proportional to 4,830.30, 7,245.72 and 1,543.50

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Solution

The fourth proportional to 4,830.30, 7,245.72 and 1,543.50 is: 2,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.30 : 7,245.72 = 1,543.50 : x
  2. Step 2: Convert to fraction form
    4,830.30/7,245.72 = 1,543.50/x
  3. Step 3: Cross multiply
    4,830.30x = 7,245.72 × 1,543.50
  4. Step 4: Simplify right side
    4,830.30x = 11,183,768.82
  5. Step 5: Solve for x
    x = 11,183,768.82/4,830.30
  6. Step 6: Final answer
    x = 2,315.34

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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.