Home / 7,485.61-11,228.52-3,589.11

Finding the Fourth Proportional to 7,485.61, 11,228.52 and 3,589.11

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Solution

The fourth proportional to 7,485.61, 11,228.52 and 3,589.11 is: 5,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.61 : 11,228.52 = 3,589.11 : x
  2. Step 2: Convert to fraction form
    7,485.61/11,228.52 = 3,589.11/x
  3. Step 3: Cross multiply
    7,485.61x = 11,228.52 × 3,589.11
  4. Step 4: Simplify right side
    7,485.61x = 40,300,337.27
  5. Step 5: Solve for x
    x = 40,300,337.27/7,485.61
  6. Step 6: Final answer
    x = 5,383.71

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Double scale
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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.