Home / 6,905.14-9,528.64-4,072.38

Finding the Fourth Proportional to 6,905.14, 9,528.64 and 4,072.38

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Solution

The fourth proportional to 6,905.14, 9,528.64 and 4,072.38 is: 5,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.14 : 9,528.64 = 4,072.38 : x
  2. Step 2: Convert to fraction form
    6,905.14/9,528.64 = 4,072.38/x
  3. Step 3: Cross multiply
    6,905.14x = 9,528.64 × 4,072.38
  4. Step 4: Simplify right side
    6,905.14x = 38,804,242.96
  5. Step 5: Solve for x
    x = 38,804,242.96/6,905.14
  6. Step 6: Final answer
    x = 5,619.62

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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.