Home / 7,156.20-10,734.30-4,969.20

Finding the Fourth Proportional to 7,156.20, 10,734.30 and 4,969.20

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Solution

The fourth proportional to 7,156.20, 10,734.30 and 4,969.20 is: 7,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.20 : 10,734.30 = 4,969.20 : x
  2. Step 2: Convert to fraction form
    7,156.20/10,734.30 = 4,969.20/x
  3. Step 3: Cross multiply
    7,156.20x = 10,734.30 × 4,969.20
  4. Step 4: Simplify right side
    7,156.20x = 53,340,883.56
  5. Step 5: Solve for x
    x = 53,340,883.56/7,156.20
  6. Step 6: Final answer
    x = 7,453.80

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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.