Home / 8,655.47-11,944.55-4,676.59

Finding the Fourth Proportional to 8,655.47, 11,944.55 and 4,676.59

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Solution

The fourth proportional to 8,655.47, 11,944.55 and 4,676.59 is: 6,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.47 : 11,944.55 = 4,676.59 : x
  2. Step 2: Convert to fraction form
    8,655.47/11,944.55 = 4,676.59/x
  3. Step 3: Cross multiply
    8,655.47x = 11,944.55 × 4,676.59
  4. Step 4: Simplify right side
    8,655.47x = 55,859,709.84
  5. Step 5: Solve for x
    x = 55,859,709.84/8,655.47
  6. Step 6: Final answer
    x = 6,453.69

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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.