Home / 5,673.66-8,511.57-1,777.02

Finding the Fourth Proportional to 5,673.66, 8,511.57 and 1,777.02

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Solution

The fourth proportional to 5,673.66, 8,511.57 and 1,777.02 is: 2,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.66 : 8,511.57 = 1,777.02 : x
  2. Step 2: Convert to fraction form
    5,673.66/8,511.57 = 1,777.02/x
  3. Step 3: Cross multiply
    5,673.66x = 8,511.57 × 1,777.02
  4. Step 4: Simplify right side
    5,673.66x = 15,125,230.12
  5. Step 5: Solve for x
    x = 15,125,230.12/5,673.66
  6. Step 6: Final answer
    x = 2,665.87

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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.