Home / 4,005.12-5,524.56-2,609.76

Finding the Fourth Proportional to 4,005.12, 5,524.56 and 2,609.76

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Solution

The fourth proportional to 4,005.12, 5,524.56 and 2,609.76 is: 3,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.12 : 5,524.56 = 2,609.76 : x
  2. Step 2: Convert to fraction form
    4,005.12/5,524.56 = 2,609.76/x
  3. Step 3: Cross multiply
    4,005.12x = 5,524.56 × 2,609.76
  4. Step 4: Simplify right side
    4,005.12x = 14,417,775.71
  5. Step 5: Solve for x
    x = 14,417,775.71/4,005.12
  6. Step 6: Final answer
    x = 3,599.84

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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.