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Finding the Fourth Proportional to 6,603.01, 9,112.74 and 3,770.39

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Solution

The fourth proportional to 6,603.01, 9,112.74 and 3,770.39 is: 5,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.01 : 9,112.74 = 3,770.39 : x
  2. Step 2: Convert to fraction form
    6,603.01/9,112.74 = 3,770.39/x
  3. Step 3: Cross multiply
    6,603.01x = 9,112.74 × 3,770.39
  4. Step 4: Simplify right side
    6,603.01x = 34,358,583.77
  5. Step 5: Solve for x
    x = 34,358,583.77/6,603.01
  6. Step 6: Final answer
    x = 5,203.47

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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.