Home / 5,453.65-8,181.63-3,114.76

Finding the Fourth Proportional to 5,453.65, 8,181.63 and 3,114.76

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Solution

The fourth proportional to 5,453.65, 8,181.63 and 3,114.76 is: 4,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.65 : 8,181.63 = 3,114.76 : x
  2. Step 2: Convert to fraction form
    5,453.65/8,181.63 = 3,114.76/x
  3. Step 3: Cross multiply
    5,453.65x = 8,181.63 × 3,114.76
  4. Step 4: Simplify right side
    5,453.65x = 25,483,813.86
  5. Step 5: Solve for x
    x = 25,483,813.86/5,453.65
  6. Step 6: Final answer
    x = 4,672.80

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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.