Home / 7,211.28-10,813.15-3,259.14

Finding the Fourth Proportional to 7,211.28, 10,813.15 and 3,259.14

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Solution

The fourth proportional to 7,211.28, 10,813.15 and 3,259.14 is: 4,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.28 : 10,813.15 = 3,259.14 : x
  2. Step 2: Convert to fraction form
    7,211.28/10,813.15 = 3,259.14/x
  3. Step 3: Cross multiply
    7,211.28x = 10,813.15 × 3,259.14
  4. Step 4: Simplify right side
    7,211.28x = 35,241,569.69
  5. Step 5: Solve for x
    x = 35,241,569.69/7,211.28
  6. Step 6: Final answer
    x = 4,887.01

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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.