Home / 5,640.03-8,458.67-2,353.15

Finding the Fourth Proportional to 5,640.03, 8,458.67 and 2,353.15

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Solution

The fourth proportional to 5,640.03, 8,458.67 and 2,353.15 is: 3,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.03 : 8,458.67 = 2,353.15 : x
  2. Step 2: Convert to fraction form
    5,640.03/8,458.67 = 2,353.15/x
  3. Step 3: Cross multiply
    5,640.03x = 8,458.67 × 2,353.15
  4. Step 4: Simplify right side
    5,640.03x = 19,904,477.02
  5. Step 5: Solve for x
    x = 19,904,477.02/5,640.03
  6. Step 6: Final answer
    x = 3,529.15

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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.