Home / 7,423.35-11,122.65-5,228.16

Finding the Fourth Proportional to 7,423.35, 11,122.65 and 5,228.16

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Solution

The fourth proportional to 7,423.35, 11,122.65 and 5,228.16 is: 7,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.35 : 11,122.65 = 5,228.16 : x
  2. Step 2: Convert to fraction form
    7,423.35/11,122.65 = 5,228.16/x
  3. Step 3: Cross multiply
    7,423.35x = 11,122.65 × 5,228.16
  4. Step 4: Simplify right side
    7,423.35x = 58,150,993.82
  5. Step 5: Solve for x
    x = 58,150,993.82/7,423.35
  6. Step 6: Final answer
    x = 7,833.52

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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.