Home / 7,712.22-11,568.74-2,447.63

Finding the Fourth Proportional to 7,712.22, 11,568.74 and 2,447.63

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Solution

The fourth proportional to 7,712.22, 11,568.74 and 2,447.63 is: 3,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.22 : 11,568.74 = 2,447.63 : x
  2. Step 2: Convert to fraction form
    7,712.22/11,568.74 = 2,447.63/x
  3. Step 3: Cross multiply
    7,712.22x = 11,568.74 × 2,447.63
  4. Step 4: Simplify right side
    7,712.22x = 28,315,925.00
  5. Step 5: Solve for x
    x = 28,315,925.00/7,712.22
  6. Step 6: Final answer
    x = 3,671.57

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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.