Home / 7,396.28-10,206.72-4,039.08

Finding the Fourth Proportional to 7,396.28, 10,206.72 and 4,039.08

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Solution

The fourth proportional to 7,396.28, 10,206.72 and 4,039.08 is: 5,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.28 : 10,206.72 = 4,039.08 : x
  2. Step 2: Convert to fraction form
    7,396.28/10,206.72 = 4,039.08/x
  3. Step 3: Cross multiply
    7,396.28x = 10,206.72 × 4,039.08
  4. Step 4: Simplify right side
    7,396.28x = 41,225,758.62
  5. Step 5: Solve for x
    x = 41,225,758.62/7,396.28
  6. Step 6: Final answer
    x = 5,573.85

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1.5x scale

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.