Home / 5,203.90-7,798.56-3,903.85

Finding the Fourth Proportional to 5,203.90, 7,798.56 and 3,903.85

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Solution

The fourth proportional to 5,203.90, 7,798.56 and 3,903.85 is: 5,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.90 : 7,798.56 = 3,903.85 : x
  2. Step 2: Convert to fraction form
    5,203.90/7,798.56 = 3,903.85/x
  3. Step 3: Cross multiply
    5,203.90x = 7,798.56 × 3,903.85
  4. Step 4: Simplify right side
    5,203.90x = 30,444,408.46
  5. Step 5: Solve for x
    x = 30,444,408.46/5,203.90
  6. Step 6: Final answer
    x = 5,850.31

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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.