Home / 6,677.20-10,015.80-2,059.60

Finding the Fourth Proportional to 6,677.20, 10,015.80 and 2,059.60

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Solution

The fourth proportional to 6,677.20, 10,015.80 and 2,059.60 is: 3,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677.20 : 10,015.80 = 2,059.60 : x
  2. Step 2: Convert to fraction form
    6,677.20/10,015.80 = 2,059.60/x
  3. Step 3: Cross multiply
    6,677.20x = 10,015.80 × 2,059.60
  4. Step 4: Simplify right side
    6,677.20x = 20,628,541.68
  5. Step 5: Solve for x
    x = 20,628,541.68/6,677.20
  6. Step 6: Final answer
    x = 3,089.40

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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.