Home / 4,871.46-7,307.90-1,949.70

Finding the Fourth Proportional to 4,871.46, 7,307.90 and 1,949.70

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Solution

The fourth proportional to 4,871.46, 7,307.90 and 1,949.70 is: 2,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.46 : 7,307.90 = 1,949.70 : x
  2. Step 2: Convert to fraction form
    4,871.46/7,307.90 = 1,949.70/x
  3. Step 3: Cross multiply
    4,871.46x = 7,307.90 × 1,949.70
  4. Step 4: Simplify right side
    4,871.46x = 14,248,212.63
  5. Step 5: Solve for x
    x = 14,248,212.63/4,871.46
  6. Step 6: Final answer
    x = 2,924.83

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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.