Home / 5,618.00-8,427.00-1,920.26

Finding the Fourth Proportional to 5,618.00, 8,427.00 and 1,920.26

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Solution

The fourth proportional to 5,618.00, 8,427.00 and 1,920.26 is: 2,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.00 : 8,427.00 = 1,920.26 : x
  2. Step 2: Convert to fraction form
    5,618.00/8,427.00 = 1,920.26/x
  3. Step 3: Cross multiply
    5,618.00x = 8,427.00 × 1,920.26
  4. Step 4: Simplify right side
    5,618.00x = 16,182,003.79
  5. Step 5: Solve for x
    x = 16,182,003.79/5,618.00
  6. Step 6: Final answer
    x = 2,880.39

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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.