Home / 8,272.07-12,409.92-4,579.68

Finding the Fourth Proportional to 8,272.07, 12,409.92 and 4,579.68

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Solution

The fourth proportional to 8,272.07, 12,409.92 and 4,579.68 is: 6,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.07 : 12,409.92 = 4,579.68 : x
  2. Step 2: Convert to fraction form
    8,272.07/12,409.92 = 4,579.68/x
  3. Step 3: Cross multiply
    8,272.07x = 12,409.92 × 4,579.68
  4. Step 4: Simplify right side
    8,272.07x = 56,833,462.43
  5. Step 5: Solve for x
    x = 56,833,462.43/8,272.07
  6. Step 6: Final answer
    x = 6,870.52

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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.