Home / 5,860.46-8,790.77-1,911.70

Finding the Fourth Proportional to 5,860.46, 8,790.77 and 1,911.70

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Solution

The fourth proportional to 5,860.46, 8,790.77 and 1,911.70 is: 2,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.46 : 8,790.77 = 1,911.70 : x
  2. Step 2: Convert to fraction form
    5,860.46/8,790.77 = 1,911.70/x
  3. Step 3: Cross multiply
    5,860.46x = 8,790.77 × 1,911.70
  4. Step 4: Simplify right side
    5,860.46x = 16,805,271.06
  5. Step 5: Solve for x
    x = 16,805,271.06/5,860.46
  6. Step 6: Final answer
    x = 2,867.57

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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.