Home / 7,476.06-10,317-4,119.22

Finding the Fourth Proportional to 7,476.06, 10,317 and 4,119.22

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Solution

The fourth proportional to 7,476.06, 10,317 and 4,119.22 is: 5,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.06 : 10,317 = 4,119.22 : x
  2. Step 2: Convert to fraction form
    7,476.06/10,317 = 4,119.22/x
  3. Step 3: Cross multiply
    7,476.06x = 10,317 × 4,119.22
  4. Step 4: Simplify right side
    7,476.06x = 42,497,992.74
  5. Step 5: Solve for x
    x = 42,497,992.74/7,476.06
  6. Step 6: Final answer
    x = 5,684.54

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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.