Home / 7,507.81-11,262.93-3,125.44

Finding the Fourth Proportional to 7,507.81, 11,262.93 and 3,125.44

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Solution

The fourth proportional to 7,507.81, 11,262.93 and 3,125.44 is: 4,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.81 : 11,262.93 = 3,125.44 : x
  2. Step 2: Convert to fraction form
    7,507.81/11,262.93 = 3,125.44/x
  3. Step 3: Cross multiply
    7,507.81x = 11,262.93 × 3,125.44
  4. Step 4: Simplify right side
    7,507.81x = 35,201,611.94
  5. Step 5: Solve for x
    x = 35,201,611.94/7,507.81
  6. Step 6: Final answer
    x = 4,688.67

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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.