Home / 5,149.48-7,718.94-2,953.64

Finding the Fourth Proportional to 5,149.48, 7,718.94 and 2,953.64

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Solution

The fourth proportional to 5,149.48, 7,718.94 and 2,953.64 is: 4,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.48 : 7,718.94 = 2,953.64 : x
  2. Step 2: Convert to fraction form
    5,149.48/7,718.94 = 2,953.64/x
  3. Step 3: Cross multiply
    5,149.48x = 7,718.94 × 2,953.64
  4. Step 4: Simplify right side
    5,149.48x = 22,798,969.94
  5. Step 5: Solve for x
    x = 22,798,969.94/5,149.48
  6. Step 6: Final answer
    x = 4,427.43

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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.