Home / 4,830.90-7,248.42-1,908.60

Finding the Fourth Proportional to 4,830.90, 7,248.42 and 1,908.60

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Solution

The fourth proportional to 4,830.90, 7,248.42 and 1,908.60 is: 2,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.90 : 7,248.42 = 1,908.60 : x
  2. Step 2: Convert to fraction form
    4,830.90/7,248.42 = 1,908.60/x
  3. Step 3: Cross multiply
    4,830.90x = 7,248.42 × 1,908.60
  4. Step 4: Simplify right side
    4,830.90x = 13,834,334.41
  5. Step 5: Solve for x
    x = 13,834,334.41/4,830.90
  6. Step 6: Final answer
    x = 2,863.72

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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.