Home / 4,838.78-7,259.31-1,718.66

Finding the Fourth Proportional to 4,838.78, 7,259.31 and 1,718.66

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Solution

The fourth proportional to 4,838.78, 7,259.31 and 1,718.66 is: 2,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.78 : 7,259.31 = 1,718.66 : x
  2. Step 2: Convert to fraction form
    4,838.78/7,259.31 = 1,718.66/x
  3. Step 3: Cross multiply
    4,838.78x = 7,259.31 × 1,718.66
  4. Step 4: Simplify right side
    4,838.78x = 12,476,285.72
  5. Step 5: Solve for x
    x = 12,476,285.72/4,838.78
  6. Step 6: Final answer
    x = 2,578.39

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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.