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Finding the Fourth Proportional to 8,302.50, 11,457.63 and 4,576.50

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Solution

The fourth proportional to 8,302.50, 11,457.63 and 4,576.50 is: 6,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.50 : 11,457.63 = 4,576.50 : x
  2. Step 2: Convert to fraction form
    8,302.50/11,457.63 = 4,576.50/x
  3. Step 3: Cross multiply
    8,302.50x = 11,457.63 × 4,576.50
  4. Step 4: Simplify right side
    8,302.50x = 52,435,843.70
  5. Step 5: Solve for x
    x = 52,435,843.70/8,302.50
  6. Step 6: Final answer
    x = 6,315.67

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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.