Home / 4,722.41-7,083.75-1,435.70

Finding the Fourth Proportional to 4,722.41, 7,083.75 and 1,435.70

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Solution

The fourth proportional to 4,722.41, 7,083.75 and 1,435.70 is: 2,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.41 : 7,083.75 = 1,435.70 : x
  2. Step 2: Convert to fraction form
    4,722.41/7,083.75 = 1,435.70/x
  3. Step 3: Cross multiply
    4,722.41x = 7,083.75 × 1,435.70
  4. Step 4: Simplify right side
    4,722.41x = 10,170,139.88
  5. Step 5: Solve for x
    x = 10,170,139.88/4,722.41
  6. Step 6: Final answer
    x = 2,153.59

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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.