Home / 6,885.36-10,328.58-1,955.46

Finding the Fourth Proportional to 6,885.36, 10,328.58 and 1,955.46

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Solution

The fourth proportional to 6,885.36, 10,328.58 and 1,955.46 is: 2,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.36 : 10,328.58 = 1,955.46 : x
  2. Step 2: Convert to fraction form
    6,885.36/10,328.58 = 1,955.46/x
  3. Step 3: Cross multiply
    6,885.36x = 10,328.58 × 1,955.46
  4. Step 4: Simplify right side
    6,885.36x = 20,197,125.05
  5. Step 5: Solve for x
    x = 20,197,125.05/6,885.36
  6. Step 6: Final answer
    x = 2,933.34

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Double scale
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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.