Home / 7,618.46-11,438.62-4,977.65

Finding the Fourth Proportional to 7,618.46, 11,438.62 and 4,977.65

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Solution

The fourth proportional to 7,618.46, 11,438.62 and 4,977.65 is: 7,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.46 : 11,438.62 = 4,977.65 : x
  2. Step 2: Convert to fraction form
    7,618.46/11,438.62 = 4,977.65/x
  3. Step 3: Cross multiply
    7,618.46x = 11,438.62 × 4,977.65
  4. Step 4: Simplify right side
    7,618.46x = 56,937,463.00
  5. Step 5: Solve for x
    x = 56,937,463.00/7,618.46
  6. Step 6: Final answer
    x = 7,473.62

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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.