Home / 4,669.65-7,005.78-1,382.67

Finding the Fourth Proportional to 4,669.65, 7,005.78 and 1,382.67

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Solution

The fourth proportional to 4,669.65, 7,005.78 and 1,382.67 is: 2,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.65 : 7,005.78 = 1,382.67 : x
  2. Step 2: Convert to fraction form
    4,669.65/7,005.78 = 1,382.67/x
  3. Step 3: Cross multiply
    4,669.65x = 7,005.78 × 1,382.67
  4. Step 4: Simplify right side
    4,669.65x = 9,686,681.83
  5. Step 5: Solve for x
    x = 9,686,681.83/4,669.65
  6. Step 6: Final answer
    x = 2,074.39

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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.