Home / 6,885.48-10,328.36-1,955.15

Finding the Fourth Proportional to 6,885.48, 10,328.36 and 1,955.15

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Solution

The fourth proportional to 6,885.48, 10,328.36 and 1,955.15 is: 2,932.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.48 : 10,328.36 = 1,955.15 : x
  2. Step 2: Convert to fraction form
    6,885.48/10,328.36 = 1,955.15/x
  3. Step 3: Cross multiply
    6,885.48x = 10,328.36 × 1,955.15
  4. Step 4: Simplify right side
    6,885.48x = 20,193,431.64
  5. Step 5: Solve for x
    x = 20,193,431.64/6,885.48
  6. Step 6: Final answer
    x = 2,932.76

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Similar ratio
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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.