Home / 6,886.09-10,322.70-2,725.30

Finding the Fourth Proportional to 6,886.09, 10,322.70 and 2,725.30

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Solution

The fourth proportional to 6,886.09, 10,322.70 and 2,725.30 is: 4,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.09 : 10,322.70 = 2,725.30 : x
  2. Step 2: Convert to fraction form
    6,886.09/10,322.70 = 2,725.30/x
  3. Step 3: Cross multiply
    6,886.09x = 10,322.70 × 2,725.30
  4. Step 4: Simplify right side
    6,886.09x = 28,132,454.31
  5. Step 5: Solve for x
    x = 28,132,454.31/6,886.09
  6. Step 6: Final answer
    x = 4,085.40

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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.