Home / 5,689.09-8,533.79-2,180.77

Finding the Fourth Proportional to 5,689.09, 8,533.79 and 2,180.77

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Solution

The fourth proportional to 5,689.09, 8,533.79 and 2,180.77 is: 3,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.09 : 8,533.79 = 2,180.77 : x
  2. Step 2: Convert to fraction form
    5,689.09/8,533.79 = 2,180.77/x
  3. Step 3: Cross multiply
    5,689.09x = 8,533.79 × 2,180.77
  4. Step 4: Simplify right side
    5,689.09x = 18,610,233.22
  5. Step 5: Solve for x
    x = 18,610,233.22/5,689.09
  6. Step 6: Final answer
    x = 3,271.21

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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.