Home / 7,316.28-10,984.14-3,423.42

Finding the Fourth Proportional to 7,316.28, 10,984.14 and 3,423.42

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Solution

The fourth proportional to 7,316.28, 10,984.14 and 3,423.42 is: 5,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.28 : 10,984.14 = 3,423.42 : x
  2. Step 2: Convert to fraction form
    7,316.28/10,984.14 = 3,423.42/x
  3. Step 3: Cross multiply
    7,316.28x = 10,984.14 × 3,423.42
  4. Step 4: Simplify right side
    7,316.28x = 37,603,324.56
  5. Step 5: Solve for x
    x = 37,603,324.56/7,316.28
  6. Step 6: Final answer
    x = 5,139.68

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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.