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Finding the Fourth Proportional to 6,603.55, 9,905.68 and 1,673.23

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Solution

The fourth proportional to 6,603.55, 9,905.68 and 1,673.23 is: 2,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.55 : 9,905.68 = 1,673.23 : x
  2. Step 2: Convert to fraction form
    6,603.55/9,905.68 = 1,673.23/x
  3. Step 3: Cross multiply
    6,603.55x = 9,905.68 × 1,673.23
  4. Step 4: Simplify right side
    6,603.55x = 16,574,480.95
  5. Step 5: Solve for x
    x = 16,574,480.95/6,603.55
  6. Step 6: Final answer
    x = 2,509.93

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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.