Home / 8,380.85-11,565.27-4,603.73

Finding the Fourth Proportional to 8,380.85, 11,565.27 and 4,603.73

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Solution

The fourth proportional to 8,380.85, 11,565.27 and 4,603.73 is: 6,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.85 : 11,565.27 = 4,603.73 : x
  2. Step 2: Convert to fraction form
    8,380.85/11,565.27 = 4,603.73/x
  3. Step 3: Cross multiply
    8,380.85x = 11,565.27 × 4,603.73
  4. Step 4: Simplify right side
    8,380.85x = 53,243,322.63
  5. Step 5: Solve for x
    x = 53,243,322.63/8,380.85
  6. Step 6: Final answer
    x = 6,352.98

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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.