Home / 8,655.09-12,974.58-4,700.57

Finding the Fourth Proportional to 8,655.09, 12,974.58 and 4,700.57

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Solution

The fourth proportional to 8,655.09, 12,974.58 and 4,700.57 is: 7,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.09 : 12,974.58 = 4,700.57 : x
  2. Step 2: Convert to fraction form
    8,655.09/12,974.58 = 4,700.57/x
  3. Step 3: Cross multiply
    8,655.09x = 12,974.58 × 4,700.57
  4. Step 4: Simplify right side
    8,655.09x = 60,987,856.64
  5. Step 5: Solve for x
    x = 60,987,856.64/8,655.09
  6. Step 6: Final answer
    x = 7,046.48

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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.