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Finding the Fourth Proportional to 6,190.59, 9,285.48 and 1,807.68

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Solution

The fourth proportional to 6,190.59, 9,285.48 and 1,807.68 is: 2,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.59 : 9,285.48 = 1,807.68 : x
  2. Step 2: Convert to fraction form
    6,190.59/9,285.48 = 1,807.68/x
  3. Step 3: Cross multiply
    6,190.59x = 9,285.48 × 1,807.68
  4. Step 4: Simplify right side
    6,190.59x = 16,785,176.49
  5. Step 5: Solve for x
    x = 16,785,176.49/6,190.59
  6. Step 6: Final answer
    x = 2,711.40

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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.