Home / 4,947.42-7,420.50-2,173.56

Finding the Fourth Proportional to 4,947.42, 7,420.50 and 2,173.56

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Solution

The fourth proportional to 4,947.42, 7,420.50 and 2,173.56 is: 3,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.42 : 7,420.50 = 2,173.56 : x
  2. Step 2: Convert to fraction form
    4,947.42/7,420.50 = 2,173.56/x
  3. Step 3: Cross multiply
    4,947.42x = 7,420.50 × 2,173.56
  4. Step 4: Simplify right side
    4,947.42x = 16,128,901.98
  5. Step 5: Solve for x
    x = 16,128,901.98/4,947.42
  6. Step 6: Final answer
    x = 3,260.06

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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.