Home / 6,870.96-10,304.70-2,653.36

Finding the Fourth Proportional to 6,870.96, 10,304.70 and 2,653.36

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Solution

The fourth proportional to 6,870.96, 10,304.70 and 2,653.36 is: 3,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.96 : 10,304.70 = 2,653.36 : x
  2. Step 2: Convert to fraction form
    6,870.96/10,304.70 = 2,653.36/x
  3. Step 3: Cross multiply
    6,870.96x = 10,304.70 × 2,653.36
  4. Step 4: Simplify right side
    6,870.96x = 27,342,078.79
  5. Step 5: Solve for x
    x = 27,342,078.79/6,870.96
  6. Step 6: Final answer
    x = 3,979.37

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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.