Home / 5,455.08-8,199.36-4,012.20

Finding the Fourth Proportional to 5,455.08, 8,199.36 and 4,012.20

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Solution

The fourth proportional to 5,455.08, 8,199.36 and 4,012.20 is: 6,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.08 : 8,199.36 = 4,012.20 : x
  2. Step 2: Convert to fraction form
    5,455.08/8,199.36 = 4,012.20/x
  3. Step 3: Cross multiply
    5,455.08x = 8,199.36 × 4,012.20
  4. Step 4: Simplify right side
    5,455.08x = 32,897,472.19
  5. Step 5: Solve for x
    x = 32,897,472.19/5,455.08
  6. Step 6: Final answer
    x = 6,030.61

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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.