Home / 6,688.40-10,033.80-2,793.20

Finding the Fourth Proportional to 6,688.40, 10,033.80 and 2,793.20

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Solution

The fourth proportional to 6,688.40, 10,033.80 and 2,793.20 is: 4,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.40 : 10,033.80 = 2,793.20 : x
  2. Step 2: Convert to fraction form
    6,688.40/10,033.80 = 2,793.20/x
  3. Step 3: Cross multiply
    6,688.40x = 10,033.80 × 2,793.20
  4. Step 4: Simplify right side
    6,688.40x = 28,026,410.16
  5. Step 5: Solve for x
    x = 28,026,410.16/6,688.40
  6. Step 6: Final answer
    x = 4,190.30

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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.