Home / 8,539.08-12,810.16-3,861.29

Finding the Fourth Proportional to 8,539.08, 12,810.16 and 3,861.29

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Solution

The fourth proportional to 8,539.08, 12,810.16 and 3,861.29 is: 5,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.08 : 12,810.16 = 3,861.29 : x
  2. Step 2: Convert to fraction form
    8,539.08/12,810.16 = 3,861.29/x
  3. Step 3: Cross multiply
    8,539.08x = 12,810.16 × 3,861.29
  4. Step 4: Simplify right side
    8,539.08x = 49,463,669.00
  5. Step 5: Solve for x
    x = 49,463,669.00/8,539.08
  6. Step 6: Final answer
    x = 5,792.62

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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.