Home / 6,120.66-8,445.28-3,602.88

Finding the Fourth Proportional to 6,120.66, 8,445.28 and 3,602.88

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Solution

The fourth proportional to 6,120.66, 8,445.28 and 3,602.88 is: 4,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.66 : 8,445.28 = 3,602.88 : x
  2. Step 2: Convert to fraction form
    6,120.66/8,445.28 = 3,602.88/x
  3. Step 3: Cross multiply
    6,120.66x = 8,445.28 × 3,602.88
  4. Step 4: Simplify right side
    6,120.66x = 30,427,330.41
  5. Step 5: Solve for x
    x = 30,427,330.41/6,120.66
  6. Step 6: Final answer
    x = 4,971.25

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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.