Home / 7,459.74-11,181.60-2,776.86

Finding the Fourth Proportional to 7,459.74, 11,181.60 and 2,776.86

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Solution

The fourth proportional to 7,459.74, 11,181.60 and 2,776.86 is: 4,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.74 : 11,181.60 = 2,776.86 : x
  2. Step 2: Convert to fraction form
    7,459.74/11,181.60 = 2,776.86/x
  3. Step 3: Cross multiply
    7,459.74x = 11,181.60 × 2,776.86
  4. Step 4: Simplify right side
    7,459.74x = 31,049,737.78
  5. Step 5: Solve for x
    x = 31,049,737.78/7,459.74
  6. Step 6: Final answer
    x = 4,162.31

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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.