Home / 6,979.38-10,455.36-4,051.56

Finding the Fourth Proportional to 6,979.38, 10,455.36 and 4,051.56

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Solution

The fourth proportional to 6,979.38, 10,455.36 and 4,051.56 is: 6,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.38 : 10,455.36 = 4,051.56 : x
  2. Step 2: Convert to fraction form
    6,979.38/10,455.36 = 4,051.56/x
  3. Step 3: Cross multiply
    6,979.38x = 10,455.36 × 4,051.56
  4. Step 4: Simplify right side
    6,979.38x = 42,360,518.36
  5. Step 5: Solve for x
    x = 42,360,518.36/6,979.38
  6. Step 6: Final answer
    x = 6,069.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.