Home / 6,869.24-9,480.14-3,885.60

Finding the Fourth Proportional to 6,869.24, 9,480.14 and 3,885.60

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Solution

The fourth proportional to 6,869.24, 9,480.14 and 3,885.60 is: 5,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.24 : 9,480.14 = 3,885.60 : x
  2. Step 2: Convert to fraction form
    6,869.24/9,480.14 = 3,885.60/x
  3. Step 3: Cross multiply
    6,869.24x = 9,480.14 × 3,885.60
  4. Step 4: Simplify right side
    6,869.24x = 36,836,031.98
  5. Step 5: Solve for x
    x = 36,836,031.98/6,869.24
  6. Step 6: Final answer
    x = 5,362.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.