Home / 5,380.51-8,070.63-2,217.25

Finding the Fourth Proportional to 5,380.51, 8,070.63 and 2,217.25

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Solution

The fourth proportional to 5,380.51, 8,070.63 and 2,217.25 is: 3,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.51 : 8,070.63 = 2,217.25 : x
  2. Step 2: Convert to fraction form
    5,380.51/8,070.63 = 2,217.25/x
  3. Step 3: Cross multiply
    5,380.51x = 8,070.63 × 2,217.25
  4. Step 4: Simplify right side
    5,380.51x = 17,894,604.37
  5. Step 5: Solve for x
    x = 17,894,604.37/5,380.51
  6. Step 6: Final answer
    x = 3,325.82

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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.