Home / 8,745.93-12,069.68-5,208.66

Finding the Fourth Proportional to 8,745.93, 12,069.68 and 5,208.66

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Solution

The fourth proportional to 8,745.93, 12,069.68 and 5,208.66 is: 7,188.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.93 : 12,069.68 = 5,208.66 : x
  2. Step 2: Convert to fraction form
    8,745.93/12,069.68 = 5,208.66/x
  3. Step 3: Cross multiply
    8,745.93x = 12,069.68 × 5,208.66
  4. Step 4: Simplify right side
    8,745.93x = 62,866,833.39
  5. Step 5: Solve for x
    x = 62,866,833.39/8,745.93
  6. Step 6: Final answer
    x = 7,188.12

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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.