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Finding the Fourth Proportional to 7,402.10, 11,093.70 and 3,014.60

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Solution

The fourth proportional to 7,402.10, 11,093.70 and 3,014.60 is: 4,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.10 : 11,093.70 = 3,014.60 : x
  2. Step 2: Convert to fraction form
    7,402.10/11,093.70 = 3,014.60/x
  3. Step 3: Cross multiply
    7,402.10x = 11,093.70 × 3,014.60
  4. Step 4: Simplify right side
    7,402.10x = 33,443,068.02
  5. Step 5: Solve for x
    x = 33,443,068.02/7,402.10
  6. Step 6: Final answer
    x = 4,518.05

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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.