Home / 8,525.91-11,765.75-4,989.79

Finding the Fourth Proportional to 8,525.91, 11,765.75 and 4,989.79

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Solution

The fourth proportional to 8,525.91, 11,765.75 and 4,989.79 is: 6,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.91 : 11,765.75 = 4,989.79 : x
  2. Step 2: Convert to fraction form
    8,525.91/11,765.75 = 4,989.79/x
  3. Step 3: Cross multiply
    8,525.91x = 11,765.75 × 4,989.79
  4. Step 4: Simplify right side
    8,525.91x = 58,708,596.74
  5. Step 5: Solve for x
    x = 58,708,596.74/8,525.91
  6. Step 6: Final answer
    x = 6,885.91

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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.