Home / 8,289.08-11,438.58-4,749.82

Finding the Fourth Proportional to 8,289.08, 11,438.58 and 4,749.82

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Solution

The fourth proportional to 8,289.08, 11,438.58 and 4,749.82 is: 6,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.08 : 11,438.58 = 4,749.82 : x
  2. Step 2: Convert to fraction form
    8,289.08/11,438.58 = 4,749.82/x
  3. Step 3: Cross multiply
    8,289.08x = 11,438.58 × 4,749.82
  4. Step 4: Simplify right side
    8,289.08x = 54,331,196.06
  5. Step 5: Solve for x
    x = 54,331,196.06/8,289.08
  6. Step 6: Final answer
    x = 6,554.55

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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.