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Finding the Fourth Proportional to 6,348.67, 9,532.23 and 4,687.91

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Solution

The fourth proportional to 6,348.67, 9,532.23 and 4,687.91 is: 7,038.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.67 : 9,532.23 = 4,687.91 : x
  2. Step 2: Convert to fraction form
    6,348.67/9,532.23 = 4,687.91/x
  3. Step 3: Cross multiply
    6,348.67x = 9,532.23 × 4,687.91
  4. Step 4: Simplify right side
    6,348.67x = 44,686,206.84
  5. Step 5: Solve for x
    x = 44,686,206.84/6,348.67
  6. Step 6: Final answer
    x = 7,038.67

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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.