Home / 8,028.32-12,032.76-4,130.60

Finding the Fourth Proportional to 8,028.32, 12,032.76 and 4,130.60

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Solution

The fourth proportional to 8,028.32, 12,032.76 and 4,130.60 is: 6,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.32 : 12,032.76 = 4,130.60 : x
  2. Step 2: Convert to fraction form
    8,028.32/12,032.76 = 4,130.60/x
  3. Step 3: Cross multiply
    8,028.32x = 12,032.76 × 4,130.60
  4. Step 4: Simplify right side
    8,028.32x = 49,702,518.46
  5. Step 5: Solve for x
    x = 49,702,518.46/8,028.32
  6. Step 6: Final answer
    x = 6,190.90

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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.