Home / 6,489.32-8,955.26-3,505.15

Finding the Fourth Proportional to 6,489.32, 8,955.26 and 3,505.15

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Solution

The fourth proportional to 6,489.32, 8,955.26 and 3,505.15 is: 4,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,489.32 : 8,955.26 = 3,505.15 : x
  2. Step 2: Convert to fraction form
    6,489.32/8,955.26 = 3,505.15/x
  3. Step 3: Cross multiply
    6,489.32x = 8,955.26 × 3,505.15
  4. Step 4: Simplify right side
    6,489.32x = 31,389,529.59
  5. Step 5: Solve for x
    x = 31,389,529.59/6,489.32
  6. Step 6: Final answer
    x = 4,837.11

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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.