Home / 8,032.20-12,040.20-4,743.60

Finding the Fourth Proportional to 8,032.20, 12,040.20 and 4,743.60

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Solution

The fourth proportional to 8,032.20, 12,040.20 and 4,743.60 is: 7,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,032.20 : 12,040.20 = 4,743.60 : x
  2. Step 2: Convert to fraction form
    8,032.20/12,040.20 = 4,743.60/x
  3. Step 3: Cross multiply
    8,032.20x = 12,040.20 × 4,743.60
  4. Step 4: Simplify right side
    8,032.20x = 57,113,892.72
  5. Step 5: Solve for x
    x = 57,113,892.72/8,032.20
  6. Step 6: Final answer
    x = 7,110.62

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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.