Home / 5,628.48-8,443.76-1,931.09

Finding the Fourth Proportional to 5,628.48, 8,443.76 and 1,931.09

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Solution

The fourth proportional to 5,628.48, 8,443.76 and 1,931.09 is: 2,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.48 : 8,443.76 = 1,931.09 : x
  2. Step 2: Convert to fraction form
    5,628.48/8,443.76 = 1,931.09/x
  3. Step 3: Cross multiply
    5,628.48x = 8,443.76 × 1,931.09
  4. Step 4: Simplify right side
    5,628.48x = 16,305,608.62
  5. Step 5: Solve for x
    x = 16,305,608.62/5,628.48
  6. Step 6: Final answer
    x = 2,896.98

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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.