Home / 8,119.47-11,207.21-4,762.43

Finding the Fourth Proportional to 8,119.47, 11,207.21 and 4,762.43

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Solution

The fourth proportional to 8,119.47, 11,207.21 and 4,762.43 is: 6,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.47 : 11,207.21 = 4,762.43 : x
  2. Step 2: Convert to fraction form
    8,119.47/11,207.21 = 4,762.43/x
  3. Step 3: Cross multiply
    8,119.47x = 11,207.21 × 4,762.43
  4. Step 4: Simplify right side
    8,119.47x = 53,373,473.27
  5. Step 5: Solve for x
    x = 53,373,473.27/8,119.47
  6. Step 6: Final answer
    x = 6,573.52

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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.