Home / 6,858.41-10,287.51-2,178.29

Finding the Fourth Proportional to 6,858.41, 10,287.51 and 2,178.29

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Solution

The fourth proportional to 6,858.41, 10,287.51 and 2,178.29 is: 3,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.41 : 10,287.51 = 2,178.29 : x
  2. Step 2: Convert to fraction form
    6,858.41/10,287.51 = 2,178.29/x
  3. Step 3: Cross multiply
    6,858.41x = 10,287.51 × 2,178.29
  4. Step 4: Simplify right side
    6,858.41x = 22,409,128.72
  5. Step 5: Solve for x
    x = 22,409,128.72/6,858.41
  6. Step 6: Final answer
    x = 3,267.40

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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.