Home / 7,477.56-11,212.90-2,545.88

Finding the Fourth Proportional to 7,477.56, 11,212.90 and 2,545.88

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Solution

The fourth proportional to 7,477.56, 11,212.90 and 2,545.88 is: 3,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.56 : 11,212.90 = 2,545.88 : x
  2. Step 2: Convert to fraction form
    7,477.56/11,212.90 = 2,545.88/x
  3. Step 3: Cross multiply
    7,477.56x = 11,212.90 × 2,545.88
  4. Step 4: Simplify right side
    7,477.56x = 28,546,635.42
  5. Step 5: Solve for x
    x = 28,546,635.42/7,477.56
  6. Step 6: Final answer
    x = 3,817.64

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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.