Home / 6,515.44-8,995.76-4,160.77

Finding the Fourth Proportional to 6,515.44, 8,995.76 and 4,160.77

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Solution

The fourth proportional to 6,515.44, 8,995.76 and 4,160.77 is: 5,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.44 : 8,995.76 = 4,160.77 : x
  2. Step 2: Convert to fraction form
    6,515.44/8,995.76 = 4,160.77/x
  3. Step 3: Cross multiply
    6,515.44x = 8,995.76 × 4,160.77
  4. Step 4: Simplify right side
    6,515.44x = 37,429,288.34
  5. Step 5: Solve for x
    x = 37,429,288.34/6,515.44
  6. Step 6: Final answer
    x = 5,744.71

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1.5x scale

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.