Home / 6,705.30-9,247.24-4,187.64

Finding the Fourth Proportional to 6,705.30, 9,247.24 and 4,187.64

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Solution

The fourth proportional to 6,705.30, 9,247.24 and 4,187.64 is: 5,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,705.30 : 9,247.24 = 4,187.64 : x
  2. Step 2: Convert to fraction form
    6,705.30/9,247.24 = 4,187.64/x
  3. Step 3: Cross multiply
    6,705.30x = 9,247.24 × 4,187.64
  4. Step 4: Simplify right side
    6,705.30x = 38,724,112.11
  5. Step 5: Solve for x
    x = 38,724,112.11/6,705.30
  6. Step 6: Final answer
    x = 5,775.15

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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.