Home / 5,623.28-8,435.98-2,160.24

Finding the Fourth Proportional to 5,623.28, 8,435.98 and 2,160.24

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Solution

The fourth proportional to 5,623.28, 8,435.98 and 2,160.24 is: 3,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.28 : 8,435.98 = 2,160.24 : x
  2. Step 2: Convert to fraction form
    5,623.28/8,435.98 = 2,160.24/x
  3. Step 3: Cross multiply
    5,623.28x = 8,435.98 × 2,160.24
  4. Step 4: Simplify right side
    5,623.28x = 18,223,741.44
  5. Step 5: Solve for x
    x = 18,223,741.44/5,623.28
  6. Step 6: Final answer
    x = 3,240.77

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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.