Home / 4,913.65-6,779.78-2,923.81

Finding the Fourth Proportional to 4,913.65, 6,779.78 and 2,923.81

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Solution

The fourth proportional to 4,913.65, 6,779.78 and 2,923.81 is: 4,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.65 : 6,779.78 = 2,923.81 : x
  2. Step 2: Convert to fraction form
    4,913.65/6,779.78 = 2,923.81/x
  3. Step 3: Cross multiply
    4,913.65x = 6,779.78 × 2,923.81
  4. Step 4: Simplify right side
    4,913.65x = 19,822,797.87
  5. Step 5: Solve for x
    x = 19,822,797.87/4,913.65
  6. Step 6: Final answer
    x = 4,034.23

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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.