Home / 8,315.97-11,476.07-4,539.21

Finding the Fourth Proportional to 8,315.97, 11,476.07 and 4,539.21

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Solution

The fourth proportional to 8,315.97, 11,476.07 and 4,539.21 is: 6,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.97 : 11,476.07 = 4,539.21 : x
  2. Step 2: Convert to fraction form
    8,315.97/11,476.07 = 4,539.21/x
  3. Step 3: Cross multiply
    8,315.97x = 11,476.07 × 4,539.21
  4. Step 4: Simplify right side
    8,315.97x = 52,092,352.59
  5. Step 5: Solve for x
    x = 52,092,352.59/8,315.97
  6. Step 6: Final answer
    x = 6,264.14

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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.