Home / 8,359.26-12,539.52-2,812.62

Finding the Fourth Proportional to 8,359.26, 12,539.52 and 2,812.62

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Solution

The fourth proportional to 8,359.26, 12,539.52 and 2,812.62 is: 4,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.26 : 12,539.52 = 2,812.62 : x
  2. Step 2: Convert to fraction form
    8,359.26/12,539.52 = 2,812.62/x
  3. Step 3: Cross multiply
    8,359.26x = 12,539.52 × 2,812.62
  4. Step 4: Simplify right side
    8,359.26x = 35,268,904.74
  5. Step 5: Solve for x
    x = 35,268,904.74/8,359.26
  6. Step 6: Final answer
    x = 4,219.14

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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.