Home / 5,192.29-7,788.44-4,147.40

Finding the Fourth Proportional to 5,192.29, 7,788.44 and 4,147.40

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Solution

The fourth proportional to 5,192.29, 7,788.44 and 4,147.40 is: 6,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.29 : 7,788.44 = 4,147.40 : x
  2. Step 2: Convert to fraction form
    5,192.29/7,788.44 = 4,147.40/x
  3. Step 3: Cross multiply
    5,192.29x = 7,788.44 × 4,147.40
  4. Step 4: Simplify right side
    5,192.29x = 32,301,752.89
  5. Step 5: Solve for x
    x = 32,301,752.89/5,192.29
  6. Step 6: Final answer
    x = 6,221.10

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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.