Home / 6,485.11-8,945.85-4,250.59

Finding the Fourth Proportional to 6,485.11, 8,945.85 and 4,250.59

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Solution

The fourth proportional to 6,485.11, 8,945.85 and 4,250.59 is: 5,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.11 : 8,945.85 = 4,250.59 : x
  2. Step 2: Convert to fraction form
    6,485.11/8,945.85 = 4,250.59/x
  3. Step 3: Cross multiply
    6,485.11x = 8,945.85 × 4,250.59
  4. Step 4: Simplify right side
    6,485.11x = 38,025,140.55
  5. Step 5: Solve for x
    x = 38,025,140.55/6,485.11
  6. Step 6: Final answer
    x = 5,863.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.