Home / 5,531.35-8,290.77-2,406.67

Finding the Fourth Proportional to 5,531.35, 8,290.77 and 2,406.67

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Solution

The fourth proportional to 5,531.35, 8,290.77 and 2,406.67 is: 3,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.35 : 8,290.77 = 2,406.67 : x
  2. Step 2: Convert to fraction form
    5,531.35/8,290.77 = 2,406.67/x
  3. Step 3: Cross multiply
    5,531.35x = 8,290.77 × 2,406.67
  4. Step 4: Simplify right side
    5,531.35x = 19,953,147.44
  5. Step 5: Solve for x
    x = 19,953,147.44/5,531.35
  6. Step 6: Final answer
    x = 3,607.28

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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.