Home / 8,150.87-12,225.89-4,460.31

Finding the Fourth Proportional to 8,150.87, 12,225.89 and 4,460.31

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Solution

The fourth proportional to 8,150.87, 12,225.89 and 4,460.31 is: 6,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.87 : 12,225.89 = 4,460.31 : x
  2. Step 2: Convert to fraction form
    8,150.87/12,225.89 = 4,460.31/x
  3. Step 3: Cross multiply
    8,150.87x = 12,225.89 × 4,460.31
  4. Step 4: Simplify right side
    8,150.87x = 54,531,237.12
  5. Step 5: Solve for x
    x = 54,531,237.12/8,150.87
  6. Step 6: Final answer
    x = 6,690.24

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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.