Home / 4,722.16-7,083.36-1,259.68

Finding the Fourth Proportional to 4,722.16, 7,083.36 and 1,259.68

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Solution

The fourth proportional to 4,722.16, 7,083.36 and 1,259.68 is: 1,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.16 : 7,083.36 = 1,259.68 : x
  2. Step 2: Convert to fraction form
    4,722.16/7,083.36 = 1,259.68/x
  3. Step 3: Cross multiply
    4,722.16x = 7,083.36 × 1,259.68
  4. Step 4: Simplify right side
    4,722.16x = 8,922,766.92
  5. Step 5: Solve for x
    x = 8,922,766.92/4,722.16
  6. Step 6: Final answer
    x = 1,889.55

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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.