Home / 5,505.91-8,257.12-1,807.31

Finding the Fourth Proportional to 5,505.91, 8,257.12 and 1,807.31

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Solution

The fourth proportional to 5,505.91, 8,257.12 and 1,807.31 is: 2,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.91 : 8,257.12 = 1,807.31 : x
  2. Step 2: Convert to fraction form
    5,505.91/8,257.12 = 1,807.31/x
  3. Step 3: Cross multiply
    5,505.91x = 8,257.12 × 1,807.31
  4. Step 4: Simplify right side
    5,505.91x = 14,923,191.67
  5. Step 5: Solve for x
    x = 14,923,191.67/5,505.91
  6. Step 6: Final answer
    x = 2,710.40

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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.