Home / 5,645.60-8,466.89-2,133.35

Finding the Fourth Proportional to 5,645.60, 8,466.89 and 2,133.35

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Solution

The fourth proportional to 5,645.60, 8,466.89 and 2,133.35 is: 3,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.60 : 8,466.89 = 2,133.35 : x
  2. Step 2: Convert to fraction form
    5,645.60/8,466.89 = 2,133.35/x
  3. Step 3: Cross multiply
    5,645.60x = 8,466.89 × 2,133.35
  4. Step 4: Simplify right side
    5,645.60x = 18,062,786.78
  5. Step 5: Solve for x
    x = 18,062,786.78/5,645.60
  6. Step 6: Final answer
    x = 3,199.45

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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.