Home / 6,211.98-8,572.50-3,559.32

Finding the Fourth Proportional to 6,211.98, 8,572.50 and 3,559.32

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Solution

The fourth proportional to 6,211.98, 8,572.50 and 3,559.32 is: 4,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.98 : 8,572.50 = 3,559.32 : x
  2. Step 2: Convert to fraction form
    6,211.98/8,572.50 = 3,559.32/x
  3. Step 3: Cross multiply
    6,211.98x = 8,572.50 × 3,559.32
  4. Step 4: Simplify right side
    6,211.98x = 30,512,270.70
  5. Step 5: Solve for x
    x = 30,512,270.70/6,211.98
  6. Step 6: Final answer
    x = 4,911.84

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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.