Home / 6,603.13-9,112.55-3,618.96

Finding the Fourth Proportional to 6,603.13, 9,112.55 and 3,618.96

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Solution

The fourth proportional to 6,603.13, 9,112.55 and 3,618.96 is: 4,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.13 : 9,112.55 = 3,618.96 : x
  2. Step 2: Convert to fraction form
    6,603.13/9,112.55 = 3,618.96/x
  3. Step 3: Cross multiply
    6,603.13x = 9,112.55 × 3,618.96
  4. Step 4: Simplify right side
    6,603.13x = 32,978,004.01
  5. Step 5: Solve for x
    x = 32,978,004.01/6,603.13
  6. Step 6: Final answer
    x = 4,994.30

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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.