Home / 4,543.70-6,815.54-1,948.46

Finding the Fourth Proportional to 4,543.70, 6,815.54 and 1,948.46

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Solution

The fourth proportional to 4,543.70, 6,815.54 and 1,948.46 is: 2,922.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.70 : 6,815.54 = 1,948.46 : x
  2. Step 2: Convert to fraction form
    4,543.70/6,815.54 = 1,948.46/x
  3. Step 3: Cross multiply
    4,543.70x = 6,815.54 × 1,948.46
  4. Step 4: Simplify right side
    4,543.70x = 13,279,777.86
  5. Step 5: Solve for x
    x = 13,279,777.86/4,543.70
  6. Step 6: Final answer
    x = 2,922.68

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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.