Home / 5,285.98-7,293.54-3,189.70

Finding the Fourth Proportional to 5,285.98, 7,293.54 and 3,189.70

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Solution

The fourth proportional to 5,285.98, 7,293.54 and 3,189.70 is: 4,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.98 : 7,293.54 = 3,189.70 : x
  2. Step 2: Convert to fraction form
    5,285.98/7,293.54 = 3,189.70/x
  3. Step 3: Cross multiply
    5,285.98x = 7,293.54 × 3,189.70
  4. Step 4: Simplify right side
    5,285.98x = 23,264,204.54
  5. Step 5: Solve for x
    x = 23,264,204.54/5,285.98
  6. Step 6: Final answer
    x = 4,401.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.