Home / 8,650.06-11,938.77-5,628.91

Finding the Fourth Proportional to 8,650.06, 11,938.77 and 5,628.91

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Solution

The fourth proportional to 8,650.06, 11,938.77 and 5,628.91 is: 7,768.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.06 : 11,938.77 = 5,628.91 : x
  2. Step 2: Convert to fraction form
    8,650.06/11,938.77 = 5,628.91/x
  3. Step 3: Cross multiply
    8,650.06x = 11,938.77 × 5,628.91
  4. Step 4: Simplify right side
    8,650.06x = 67,202,261.84
  5. Step 5: Solve for x
    x = 67,202,261.84/8,650.06
  6. Step 6: Final answer
    x = 7,768.99

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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.