Home / 6,190.20-9,285.90-1,807.68

Finding the Fourth Proportional to 6,190.20, 9,285.90 and 1,807.68

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Solution

The fourth proportional to 6,190.20, 9,285.90 and 1,807.68 is: 2,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.20 : 9,285.90 = 1,807.68 : x
  2. Step 2: Convert to fraction form
    6,190.20/9,285.90 = 1,807.68/x
  3. Step 3: Cross multiply
    6,190.20x = 9,285.90 × 1,807.68
  4. Step 4: Simplify right side
    6,190.20x = 16,785,935.71
  5. Step 5: Solve for x
    x = 16,785,935.71/6,190.20
  6. Step 6: Final answer
    x = 2,711.70

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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.