Home / 5,689.02-8,533.62-2,180.64

Finding the Fourth Proportional to 5,689.02, 8,533.62 and 2,180.64

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Solution

The fourth proportional to 5,689.02, 8,533.62 and 2,180.64 is: 3,270.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.02 : 8,533.62 = 2,180.64 : x
  2. Step 2: Convert to fraction form
    5,689.02/8,533.62 = 2,180.64/x
  3. Step 3: Cross multiply
    5,689.02x = 8,533.62 × 2,180.64
  4. Step 4: Simplify right side
    5,689.02x = 18,608,753.12
  5. Step 5: Solve for x
    x = 18,608,753.12/5,689.02
  6. Step 6: Final answer
    x = 3,270.99

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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.