Home / 7,284.12-10,915.83-3,325.65

Finding the Fourth Proportional to 7,284.12, 10,915.83 and 3,325.65

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Solution

The fourth proportional to 7,284.12, 10,915.83 and 3,325.65 is: 4,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.12 : 10,915.83 = 3,325.65 : x
  2. Step 2: Convert to fraction form
    7,284.12/10,915.83 = 3,325.65/x
  3. Step 3: Cross multiply
    7,284.12x = 10,915.83 × 3,325.65
  4. Step 4: Simplify right side
    7,284.12x = 36,302,189.11
  5. Step 5: Solve for x
    x = 36,302,189.11/7,284.12
  6. Step 6: Final answer
    x = 4,983.75

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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.