Home / 4,718.21-7,077.24-1,208.19

Finding the Fourth Proportional to 4,718.21, 7,077.24 and 1,208.19

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Solution

The fourth proportional to 4,718.21, 7,077.24 and 1,208.19 is: 1,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.21 : 7,077.24 = 1,208.19 : x
  2. Step 2: Convert to fraction form
    4,718.21/7,077.24 = 1,208.19/x
  3. Step 3: Cross multiply
    4,718.21x = 7,077.24 × 1,208.19
  4. Step 4: Simplify right side
    4,718.21x = 8,550,650.60
  5. Step 5: Solve for x
    x = 8,550,650.60/4,718.21
  6. Step 6: Final answer
    x = 1,812.26

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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.