Home / 7,420.55-11,134.62-3,263.45

Finding the Fourth Proportional to 7,420.55, 11,134.62 and 3,263.45

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Solution

The fourth proportional to 7,420.55, 11,134.62 and 3,263.45 is: 4,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.55 : 11,134.62 = 3,263.45 : x
  2. Step 2: Convert to fraction form
    7,420.55/11,134.62 = 3,263.45/x
  3. Step 3: Cross multiply
    7,420.55x = 11,134.62 × 3,263.45
  4. Step 4: Simplify right side
    7,420.55x = 36,337,219.97
  5. Step 5: Solve for x
    x = 36,337,219.97/7,420.55
  6. Step 6: Final answer
    x = 4,896.84

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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.