Home / 6,211.50-9,316.98-3,090.30

Finding the Fourth Proportional to 6,211.50, 9,316.98 and 3,090.30

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Solution

The fourth proportional to 6,211.50, 9,316.98 and 3,090.30 is: 4,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.50 : 9,316.98 = 3,090.30 : x
  2. Step 2: Convert to fraction form
    6,211.50/9,316.98 = 3,090.30/x
  3. Step 3: Cross multiply
    6,211.50x = 9,316.98 × 3,090.30
  4. Step 4: Simplify right side
    6,211.50x = 28,792,263.29
  5. Step 5: Solve for x
    x = 28,792,263.29/6,211.50
  6. Step 6: Final answer
    x = 4,635.32

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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.