Home / 5,686.38-8,529.50-2,223.60

Finding the Fourth Proportional to 5,686.38, 8,529.50 and 2,223.60

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Solution

The fourth proportional to 5,686.38, 8,529.50 and 2,223.60 is: 3,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.38 : 8,529.50 = 2,223.60 : x
  2. Step 2: Convert to fraction form
    5,686.38/8,529.50 = 2,223.60/x
  3. Step 3: Cross multiply
    5,686.38x = 8,529.50 × 2,223.60
  4. Step 4: Simplify right side
    5,686.38x = 18,966,196.20
  5. Step 5: Solve for x
    x = 18,966,196.20/5,686.38
  6. Step 6: Final answer
    x = 3,335.37

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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.