Home / 8,875.45-13,313.25-4,195.57

Finding the Fourth Proportional to 8,875.45, 13,313.25 and 4,195.57

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Solution

The fourth proportional to 8,875.45, 13,313.25 and 4,195.57 is: 6,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.45 : 13,313.25 = 4,195.57 : x
  2. Step 2: Convert to fraction form
    8,875.45/13,313.25 = 4,195.57/x
  3. Step 3: Cross multiply
    8,875.45x = 13,313.25 × 4,195.57
  4. Step 4: Simplify right side
    8,875.45x = 55,856,695.53
  5. Step 5: Solve for x
    x = 55,856,695.53/8,875.45
  6. Step 6: Final answer
    x = 6,293.39

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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.