Home / 8,573.23-12,856.81-3,889.30

Finding the Fourth Proportional to 8,573.23, 12,856.81 and 3,889.30

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Solution

The fourth proportional to 8,573.23, 12,856.81 and 3,889.30 is: 5,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.23 : 12,856.81 = 3,889.30 : x
  2. Step 2: Convert to fraction form
    8,573.23/12,856.81 = 3,889.30/x
  3. Step 3: Cross multiply
    8,573.23x = 12,856.81 × 3,889.30
  4. Step 4: Simplify right side
    8,573.23x = 50,003,991.13
  5. Step 5: Solve for x
    x = 50,003,991.13/8,573.23
  6. Step 6: Final answer
    x = 5,832.57

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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.