Home / 5,623.52-8,435.58-2,160.50

Finding the Fourth Proportional to 5,623.52, 8,435.58 and 2,160.50

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Solution

The fourth proportional to 5,623.52, 8,435.58 and 2,160.50 is: 3,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.52 : 8,435.58 = 2,160.50 : x
  2. Step 2: Convert to fraction form
    5,623.52/8,435.58 = 2,160.50/x
  3. Step 3: Cross multiply
    5,623.52x = 8,435.58 × 2,160.50
  4. Step 4: Simplify right side
    5,623.52x = 18,225,070.59
  5. Step 5: Solve for x
    x = 18,225,070.59/5,623.52
  6. Step 6: Final answer
    x = 3,240.87

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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.