Home / 6,603.15-9,901.42-2,160.23

Finding the Fourth Proportional to 6,603.15, 9,901.42 and 2,160.23

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Solution

The fourth proportional to 6,603.15, 9,901.42 and 2,160.23 is: 3,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.15 : 9,901.42 = 2,160.23 : x
  2. Step 2: Convert to fraction form
    6,603.15/9,901.42 = 2,160.23/x
  3. Step 3: Cross multiply
    6,603.15x = 9,901.42 × 2,160.23
  4. Step 4: Simplify right side
    6,603.15x = 21,389,344.53
  5. Step 5: Solve for x
    x = 21,389,344.53/6,603.15
  6. Step 6: Final answer
    x = 3,239.27

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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.