Home / 6,988.28-10,480.80-2,056.60

Finding the Fourth Proportional to 6,988.28, 10,480.80 and 2,056.60

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Solution

The fourth proportional to 6,988.28, 10,480.80 and 2,056.60 is: 3,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.28 : 10,480.80 = 2,056.60 : x
  2. Step 2: Convert to fraction form
    6,988.28/10,480.80 = 2,056.60/x
  3. Step 3: Cross multiply
    6,988.28x = 10,480.80 × 2,056.60
  4. Step 4: Simplify right side
    6,988.28x = 21,554,813.28
  5. Step 5: Solve for x
    x = 21,554,813.28/6,988.28
  6. Step 6: Final answer
    x = 3,084.42

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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.