Home / 5,036.72-7,563.46-4,221.86

Finding the Fourth Proportional to 5,036.72, 7,563.46 and 4,221.86

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Solution

The fourth proportional to 5,036.72, 7,563.46 and 4,221.86 is: 6,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.72 : 7,563.46 = 4,221.86 : x
  2. Step 2: Convert to fraction form
    5,036.72/7,563.46 = 4,221.86/x
  3. Step 3: Cross multiply
    5,036.72x = 7,563.46 × 4,221.86
  4. Step 4: Simplify right side
    5,036.72x = 31,931,869.24
  5. Step 5: Solve for x
    x = 31,931,869.24/5,036.72
  6. Step 6: Final answer
    x = 6,339.81

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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.