Home / 8,665.17-12,984.99-4,715.81

Finding the Fourth Proportional to 8,665.17, 12,984.99 and 4,715.81

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Solution

The fourth proportional to 8,665.17, 12,984.99 and 4,715.81 is: 7,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.17 : 12,984.99 = 4,715.81 : x
  2. Step 2: Convert to fraction form
    8,665.17/12,984.99 = 4,715.81/x
  3. Step 3: Cross multiply
    8,665.17x = 12,984.99 × 4,715.81
  4. Step 4: Simplify right side
    8,665.17x = 61,234,745.69
  5. Step 5: Solve for x
    x = 61,234,745.69/8,665.17
  6. Step 6: Final answer
    x = 7,066.77

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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.