Home / 8,403.63-12,603.83-2,559.48

Finding the Fourth Proportional to 8,403.63, 12,603.83 and 2,559.48

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Solution

The fourth proportional to 8,403.63, 12,603.83 and 2,559.48 is: 3,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.63 : 12,603.83 = 2,559.48 : x
  2. Step 2: Convert to fraction form
    8,403.63/12,603.83 = 2,559.48/x
  3. Step 3: Cross multiply
    8,403.63x = 12,603.83 × 2,559.48
  4. Step 4: Simplify right side
    8,403.63x = 32,259,238.01
  5. Step 5: Solve for x
    x = 32,259,238.01/8,403.63
  6. Step 6: Final answer
    x = 3,838.73

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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.