Home / 5,370.21-7,410.87-3,012.30

Finding the Fourth Proportional to 5,370.21, 7,410.87 and 3,012.30

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Solution

The fourth proportional to 5,370.21, 7,410.87 and 3,012.30 is: 4,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.21 : 7,410.87 = 3,012.30 : x
  2. Step 2: Convert to fraction form
    5,370.21/7,410.87 = 3,012.30/x
  3. Step 3: Cross multiply
    5,370.21x = 7,410.87 × 3,012.30
  4. Step 4: Simplify right side
    5,370.21x = 22,323,763.70
  5. Step 5: Solve for x
    x = 22,323,763.70/5,370.21
  6. Step 6: Final answer
    x = 4,156.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.