Home / 5,527.81-7,628.32-3,009.91

Finding the Fourth Proportional to 5,527.81, 7,628.32 and 3,009.91

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Solution

The fourth proportional to 5,527.81, 7,628.32 and 3,009.91 is: 4,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.81 : 7,628.32 = 3,009.91 : x
  2. Step 2: Convert to fraction form
    5,527.81/7,628.32 = 3,009.91/x
  3. Step 3: Cross multiply
    5,527.81x = 7,628.32 × 3,009.91
  4. Step 4: Simplify right side
    5,527.81x = 22,960,530.06
  5. Step 5: Solve for x
    x = 22,960,530.06/5,527.81
  6. Step 6: Final answer
    x = 4,153.64

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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.