Home / 4,878.96-7,318.44-1,759.38

Finding the Fourth Proportional to 4,878.96, 7,318.44 and 1,759.38

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Solution

The fourth proportional to 4,878.96, 7,318.44 and 1,759.38 is: 2,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.96 : 7,318.44 = 1,759.38 : x
  2. Step 2: Convert to fraction form
    4,878.96/7,318.44 = 1,759.38/x
  3. Step 3: Cross multiply
    4,878.96x = 7,318.44 × 1,759.38
  4. Step 4: Simplify right side
    4,878.96x = 12,875,916.97
  5. Step 5: Solve for x
    x = 12,875,916.97/4,878.96
  6. Step 6: Final answer
    x = 2,639.07

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1.5x scale

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.