Home / 6,215.07-9,320.39-2,054.31

Finding the Fourth Proportional to 6,215.07, 9,320.39 and 2,054.31

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Solution

The fourth proportional to 6,215.07, 9,320.39 and 2,054.31 is: 3,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.07 : 9,320.39 = 2,054.31 : x
  2. Step 2: Convert to fraction form
    6,215.07/9,320.39 = 2,054.31/x
  3. Step 3: Cross multiply
    6,215.07x = 9,320.39 × 2,054.31
  4. Step 4: Simplify right side
    6,215.07x = 19,146,960.11
  5. Step 5: Solve for x
    x = 19,146,960.11/6,215.07
  6. Step 6: Final answer
    x = 3,080.73

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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.