Home / 8,272.22-12,408.32-4,807.58

Finding the Fourth Proportional to 8,272.22, 12,408.32 and 4,807.58

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Solution

The fourth proportional to 8,272.22, 12,408.32 and 4,807.58 is: 7,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.22 : 12,408.32 = 4,807.58 : x
  2. Step 2: Convert to fraction form
    8,272.22/12,408.32 = 4,807.58/x
  3. Step 3: Cross multiply
    8,272.22x = 12,408.32 × 4,807.58
  4. Step 4: Simplify right side
    8,272.22x = 59,653,941.04
  5. Step 5: Solve for x
    x = 59,653,941.04/8,272.22
  6. Step 6: Final answer
    x = 7,211.36

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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.