Home / 8,315.33-11,475.36-4,538.57

Finding the Fourth Proportional to 8,315.33, 11,475.36 and 4,538.57

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Solution

The fourth proportional to 8,315.33, 11,475.36 and 4,538.57 is: 6,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.33 : 11,475.36 = 4,538.57 : x
  2. Step 2: Convert to fraction form
    8,315.33/11,475.36 = 4,538.57/x
  3. Step 3: Cross multiply
    8,315.33x = 11,475.36 × 4,538.57
  4. Step 4: Simplify right side
    8,315.33x = 52,081,667.26
  5. Step 5: Solve for x
    x = 52,081,667.26/8,315.33
  6. Step 6: Final answer
    x = 6,263.34

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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.