Home / 6,189.81-9,285.03-1,807.60

Finding the Fourth Proportional to 6,189.81, 9,285.03 and 1,807.60

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Solution

The fourth proportional to 6,189.81, 9,285.03 and 1,807.60 is: 2,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.81 : 9,285.03 = 1,807.60 : x
  2. Step 2: Convert to fraction form
    6,189.81/9,285.03 = 1,807.60/x
  3. Step 3: Cross multiply
    6,189.81x = 9,285.03 × 1,807.60
  4. Step 4: Simplify right side
    6,189.81x = 16,783,620.23
  5. Step 5: Solve for x
    x = 16,783,620.23/6,189.81
  6. Step 6: Final answer
    x = 2,711.49

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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.