Home / 6,603.30-9,112.49-3,619.12

Finding the Fourth Proportional to 6,603.30, 9,112.49 and 3,619.12

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Solution

The fourth proportional to 6,603.30, 9,112.49 and 3,619.12 is: 4,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.30 : 9,112.49 = 3,619.12 : x
  2. Step 2: Convert to fraction form
    6,603.30/9,112.49 = 3,619.12/x
  3. Step 3: Cross multiply
    6,603.30x = 9,112.49 × 3,619.12
  4. Step 4: Simplify right side
    6,603.30x = 32,979,194.81
  5. Step 5: Solve for x
    x = 32,979,194.81/6,603.30
  6. Step 6: Final answer
    x = 4,994.35

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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.