Home / 7,388.20-11,095.10-5,212.20

Finding the Fourth Proportional to 7,388.20, 11,095.10 and 5,212.20

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Solution

The fourth proportional to 7,388.20, 11,095.10 and 5,212.20 is: 7,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.20 : 11,095.10 = 5,212.20 : x
  2. Step 2: Convert to fraction form
    7,388.20/11,095.10 = 5,212.20/x
  3. Step 3: Cross multiply
    7,388.20x = 11,095.10 × 5,212.20
  4. Step 4: Simplify right side
    7,388.20x = 57,829,880.22
  5. Step 5: Solve for x
    x = 57,829,880.22/7,388.20
  6. Step 6: Final answer
    x = 7,827.33

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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.