Home / 5,085.60-7,619.44-4,453.85

Finding the Fourth Proportional to 5,085.60, 7,619.44 and 4,453.85

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Solution

The fourth proportional to 5,085.60, 7,619.44 and 4,453.85 is: 6,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.60 : 7,619.44 = 4,453.85 : x
  2. Step 2: Convert to fraction form
    5,085.60/7,619.44 = 4,453.85/x
  3. Step 3: Cross multiply
    5,085.60x = 7,619.44 × 4,453.85
  4. Step 4: Simplify right side
    5,085.60x = 33,935,830.10
  5. Step 5: Solve for x
    x = 33,935,830.10/5,085.60
  6. Step 6: Final answer
    x = 6,672.92

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1.5x scale

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.