Home / 8,525.79-11,765.25-4,989.33

Finding the Fourth Proportional to 8,525.79, 11,765.25 and 4,989.33

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Solution

The fourth proportional to 8,525.79, 11,765.25 and 4,989.33 is: 6,885.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.79 : 11,765.25 = 4,989.33 : x
  2. Step 2: Convert to fraction form
    8,525.79/11,765.25 = 4,989.33/x
  3. Step 3: Cross multiply
    8,525.79x = 11,765.25 × 4,989.33
  4. Step 4: Simplify right side
    8,525.79x = 58,700,714.78
  5. Step 5: Solve for x
    x = 58,700,714.78/8,525.79
  6. Step 6: Final answer
    x = 6,885.08

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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.