Home / 9,181.58-12,670.62-4,989.83

Finding the Fourth Proportional to 9,181.58, 12,670.62 and 4,989.83

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Solution

The fourth proportional to 9,181.58, 12,670.62 and 4,989.83 is: 6,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.58 : 12,670.62 = 4,989.83 : x
  2. Step 2: Convert to fraction form
    9,181.58/12,670.62 = 4,989.83/x
  3. Step 3: Cross multiply
    9,181.58x = 12,670.62 × 4,989.83
  4. Step 4: Simplify right side
    9,181.58x = 63,224,214.85
  5. Step 5: Solve for x
    x = 63,224,214.85/9,181.58
  6. Step 6: Final answer
    x = 6,885.98

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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.