Home / 8,289.72-11,438.91-4,752.84

Finding the Fourth Proportional to 8,289.72, 11,438.91 and 4,752.84

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Solution

The fourth proportional to 8,289.72, 11,438.91 and 4,752.84 is: 6,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.72 : 11,438.91 = 4,752.84 : x
  2. Step 2: Convert to fraction form
    8,289.72/11,438.91 = 4,752.84/x
  3. Step 3: Cross multiply
    8,289.72x = 11,438.91 × 4,752.84
  4. Step 4: Simplify right side
    8,289.72x = 54,367,309.00
  5. Step 5: Solve for x
    x = 54,367,309.00/8,289.72
  6. Step 6: Final answer
    x = 6,558.40

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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.