Home / 6,886.77-10,329.61-2,505.21

Finding the Fourth Proportional to 6,886.77, 10,329.61 and 2,505.21

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Solution

The fourth proportional to 6,886.77, 10,329.61 and 2,505.21 is: 3,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.77 : 10,329.61 = 2,505.21 : x
  2. Step 2: Convert to fraction form
    6,886.77/10,329.61 = 2,505.21/x
  3. Step 3: Cross multiply
    6,886.77x = 10,329.61 × 2,505.21
  4. Step 4: Simplify right side
    6,886.77x = 25,877,842.27
  5. Step 5: Solve for x
    x = 25,877,842.27/6,886.77
  6. Step 6: Final answer
    x = 3,757.62

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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.