Home / 4,379.80-6,568.14-1,913.92

Finding the Fourth Proportional to 4,379.80, 6,568.14 and 1,913.92

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Solution

The fourth proportional to 4,379.80, 6,568.14 and 1,913.92 is: 2,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.80 : 6,568.14 = 1,913.92 : x
  2. Step 2: Convert to fraction form
    4,379.80/6,568.14 = 1,913.92/x
  3. Step 3: Cross multiply
    4,379.80x = 6,568.14 × 1,913.92
  4. Step 4: Simplify right side
    4,379.80x = 12,570,894.51
  5. Step 5: Solve for x
    x = 12,570,894.51/4,379.80
  6. Step 6: Final answer
    x = 2,870.20

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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.