Home / 7,427.45-11,123.46-4,300.85

Finding the Fourth Proportional to 7,427.45, 11,123.46 and 4,300.85

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Solution

The fourth proportional to 7,427.45, 11,123.46 and 4,300.85 is: 6,441.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.45 : 11,123.46 = 4,300.85 : x
  2. Step 2: Convert to fraction form
    7,427.45/11,123.46 = 4,300.85/x
  3. Step 3: Cross multiply
    7,427.45x = 11,123.46 × 4,300.85
  4. Step 4: Simplify right side
    7,427.45x = 47,840,360.75
  5. Step 5: Solve for x
    x = 47,840,360.75/7,427.45
  6. Step 6: Final answer
    x = 6,441.02

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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.