Home / 4,880.55-7,316.51-1,956.86

Finding the Fourth Proportional to 4,880.55, 7,316.51 and 1,956.86

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Solution

The fourth proportional to 4,880.55, 7,316.51 and 1,956.86 is: 2,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.55 : 7,316.51 = 1,956.86 : x
  2. Step 2: Convert to fraction form
    4,880.55/7,316.51 = 1,956.86/x
  3. Step 3: Cross multiply
    4,880.55x = 7,316.51 × 1,956.86
  4. Step 4: Simplify right side
    4,880.55x = 14,317,339.39
  5. Step 5: Solve for x
    x = 14,317,339.39/4,880.55
  6. Step 6: Final answer
    x = 2,933.55

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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.