Home / 7,849.40-10,832.74-5,192.20

Finding the Fourth Proportional to 7,849.40, 10,832.74 and 5,192.20

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Solution

The fourth proportional to 7,849.40, 10,832.74 and 5,192.20 is: 7,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.40 : 10,832.74 = 5,192.20 : x
  2. Step 2: Convert to fraction form
    7,849.40/10,832.74 = 5,192.20/x
  3. Step 3: Cross multiply
    7,849.40x = 10,832.74 × 5,192.20
  4. Step 4: Simplify right side
    7,849.40x = 56,245,752.63
  5. Step 5: Solve for x
    x = 56,245,752.63/7,849.40
  6. Step 6: Final answer
    x = 7,165.61

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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.