Home / 5,528.12-7,628.28-3,539.24

Finding the Fourth Proportional to 5,528.12, 7,628.28 and 3,539.24

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Solution

The fourth proportional to 5,528.12, 7,628.28 and 3,539.24 is: 4,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.12 : 7,628.28 = 3,539.24 : x
  2. Step 2: Convert to fraction form
    5,528.12/7,628.28 = 3,539.24/x
  3. Step 3: Cross multiply
    5,528.12x = 7,628.28 × 3,539.24
  4. Step 4: Simplify right side
    5,528.12x = 26,998,313.71
  5. Step 5: Solve for x
    x = 26,998,313.71/5,528.12
  6. Step 6: Final answer
    x = 4,883.81

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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.