Home / 6,403.98-9,603.89-2,455.03

Finding the Fourth Proportional to 6,403.98, 9,603.89 and 2,455.03

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Solution

The fourth proportional to 6,403.98, 9,603.89 and 2,455.03 is: 3,681.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.98 : 9,603.89 = 2,455.03 : x
  2. Step 2: Convert to fraction form
    6,403.98/9,603.89 = 2,455.03/x
  3. Step 3: Cross multiply
    6,403.98x = 9,603.89 × 2,455.03
  4. Step 4: Simplify right side
    6,403.98x = 23,577,838.07
  5. Step 5: Solve for x
    x = 23,577,838.07/6,403.98
  6. Step 6: Final answer
    x = 3,681.75

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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.