Home / 4,948.37-7,422.60-1,988.18

Finding the Fourth Proportional to 4,948.37, 7,422.60 and 1,988.18

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Solution

The fourth proportional to 4,948.37, 7,422.60 and 1,988.18 is: 2,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.37 : 7,422.60 = 1,988.18 : x
  2. Step 2: Convert to fraction form
    4,948.37/7,422.60 = 1,988.18/x
  3. Step 3: Cross multiply
    4,948.37x = 7,422.60 × 1,988.18
  4. Step 4: Simplify right side
    4,948.37x = 14,757,464.87
  5. Step 5: Solve for x
    x = 14,757,464.87/4,948.37
  6. Step 6: Final answer
    x = 2,982.29

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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.