Home / 5,498.21-8,245.22-1,987.26

Finding the Fourth Proportional to 5,498.21, 8,245.22 and 1,987.26

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Solution

The fourth proportional to 5,498.21, 8,245.22 and 1,987.26 is: 2,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.21 : 8,245.22 = 1,987.26 : x
  2. Step 2: Convert to fraction form
    5,498.21/8,245.22 = 1,987.26/x
  3. Step 3: Cross multiply
    5,498.21x = 8,245.22 × 1,987.26
  4. Step 4: Simplify right side
    5,498.21x = 16,385,395.90
  5. Step 5: Solve for x
    x = 16,385,395.90/5,498.21
  6. Step 6: Final answer
    x = 2,980.13

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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.