Home / 5,480.28-8,217.45-1,969.74

Finding the Fourth Proportional to 5,480.28, 8,217.45 and 1,969.74

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Solution

The fourth proportional to 5,480.28, 8,217.45 and 1,969.74 is: 2,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.28 : 8,217.45 = 1,969.74 : x
  2. Step 2: Convert to fraction form
    5,480.28/8,217.45 = 1,969.74/x
  3. Step 3: Cross multiply
    5,480.28x = 8,217.45 × 1,969.74
  4. Step 4: Simplify right side
    5,480.28x = 16,186,239.96
  5. Step 5: Solve for x
    x = 16,186,239.96/5,480.28
  6. Step 6: Final answer
    x = 2,953.54

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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.