Home / 6,120.57-8,445.66-3,602.12

Finding the Fourth Proportional to 6,120.57, 8,445.66 and 3,602.12

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Solution

The fourth proportional to 6,120.57, 8,445.66 and 3,602.12 is: 4,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.57 : 8,445.66 = 3,602.12 : x
  2. Step 2: Convert to fraction form
    6,120.57/8,445.66 = 3,602.12/x
  3. Step 3: Cross multiply
    6,120.57x = 8,445.66 × 3,602.12
  4. Step 4: Simplify right side
    6,120.57x = 30,422,256.73
  5. Step 5: Solve for x
    x = 30,422,256.73/6,120.57
  6. Step 6: Final answer
    x = 4,970.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.