Home / 5,453.48-8,182.65-2,855.81

Finding the Fourth Proportional to 5,453.48, 8,182.65 and 2,855.81

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Solution

The fourth proportional to 5,453.48, 8,182.65 and 2,855.81 is: 4,284.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.48 : 8,182.65 = 2,855.81 : x
  2. Step 2: Convert to fraction form
    5,453.48/8,182.65 = 2,855.81/x
  3. Step 3: Cross multiply
    5,453.48x = 8,182.65 × 2,855.81
  4. Step 4: Simplify right side
    5,453.48x = 23,368,124.86
  5. Step 5: Solve for x
    x = 23,368,124.86/5,453.48
  6. Step 6: Final answer
    x = 4,284.99

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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.