Home / 7,053.21-10,579.40-3,156.57

Finding the Fourth Proportional to 7,053.21, 10,579.40 and 3,156.57

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Solution

The fourth proportional to 7,053.21, 10,579.40 and 3,156.57 is: 4,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.21 : 10,579.40 = 3,156.57 : x
  2. Step 2: Convert to fraction form
    7,053.21/10,579.40 = 3,156.57/x
  3. Step 3: Cross multiply
    7,053.21x = 10,579.40 × 3,156.57
  4. Step 4: Simplify right side
    7,053.21x = 33,394,600.88
  5. Step 5: Solve for x
    x = 33,394,600.88/7,053.21
  6. Step 6: Final answer
    x = 4,734.67

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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.