Home / 6,801.80-10,191.90-4,490.60

Finding the Fourth Proportional to 6,801.80, 10,191.90 and 4,490.60

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Solution

The fourth proportional to 6,801.80, 10,191.90 and 4,490.60 is: 6,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,801.80 : 10,191.90 = 4,490.60 : x
  2. Step 2: Convert to fraction form
    6,801.80/10,191.90 = 4,490.60/x
  3. Step 3: Cross multiply
    6,801.80x = 10,191.90 × 4,490.60
  4. Step 4: Simplify right side
    6,801.80x = 45,767,746.14
  5. Step 5: Solve for x
    x = 45,767,746.14/6,801.80
  6. Step 6: Final answer
    x = 6,728.77

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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.