Home / 5,204.25-7,806.45-1,308.69

Finding the Fourth Proportional to 5,204.25, 7,806.45 and 1,308.69

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Solution

The fourth proportional to 5,204.25, 7,806.45 and 1,308.69 is: 1,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.25 : 7,806.45 = 1,308.69 : x
  2. Step 2: Convert to fraction form
    5,204.25/7,806.45 = 1,308.69/x
  3. Step 3: Cross multiply
    5,204.25x = 7,806.45 × 1,308.69
  4. Step 4: Simplify right side
    5,204.25x = 10,216,223.05
  5. Step 5: Solve for x
    x = 10,216,223.05/5,204.25
  6. Step 6: Final answer
    x = 1,963.05

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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.