Home / 7,217.04-10,816.84-3,513.72

Finding the Fourth Proportional to 7,217.04, 10,816.84 and 3,513.72

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Solution

The fourth proportional to 7,217.04, 10,816.84 and 3,513.72 is: 5,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.04 : 10,816.84 = 3,513.72 : x
  2. Step 2: Convert to fraction form
    7,217.04/10,816.84 = 3,513.72/x
  3. Step 3: Cross multiply
    7,217.04x = 10,816.84 × 3,513.72
  4. Step 4: Simplify right side
    7,217.04x = 38,007,347.04
  5. Step 5: Solve for x
    x = 38,007,347.04/7,217.04
  6. Step 6: Final answer
    x = 5,266.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.