Home / 5,470.87-8,206.30-1,575.27

Finding the Fourth Proportional to 5,470.87, 8,206.30 and 1,575.27

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Solution

The fourth proportional to 5,470.87, 8,206.30 and 1,575.27 is: 2,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.87 : 8,206.30 = 1,575.27 : x
  2. Step 2: Convert to fraction form
    5,470.87/8,206.30 = 1,575.27/x
  3. Step 3: Cross multiply
    5,470.87x = 8,206.30 × 1,575.27
  4. Step 4: Simplify right side
    5,470.87x = 12,927,138.20
  5. Step 5: Solve for x
    x = 12,927,138.20/5,470.87
  6. Step 6: Final answer
    x = 2,362.90

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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.