Home / 6,886.51-10,336.59-3,189.56

Finding the Fourth Proportional to 6,886.51, 10,336.59 and 3,189.56

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Solution

The fourth proportional to 6,886.51, 10,336.59 and 3,189.56 is: 4,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.51 : 10,336.59 = 3,189.56 : x
  2. Step 2: Convert to fraction form
    6,886.51/10,336.59 = 3,189.56/x
  3. Step 3: Cross multiply
    6,886.51x = 10,336.59 × 3,189.56
  4. Step 4: Simplify right side
    6,886.51x = 32,969,122.32
  5. Step 5: Solve for x
    x = 32,969,122.32/6,886.51
  6. Step 6: Final answer
    x = 4,787.50

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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.