Home / 5,386.34-8,073.75-3,842.66

Finding the Fourth Proportional to 5,386.34, 8,073.75 and 3,842.66

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Solution

The fourth proportional to 5,386.34, 8,073.75 and 3,842.66 is: 5,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.34 : 8,073.75 = 3,842.66 : x
  2. Step 2: Convert to fraction form
    5,386.34/8,073.75 = 3,842.66/x
  3. Step 3: Cross multiply
    5,386.34x = 8,073.75 × 3,842.66
  4. Step 4: Simplify right side
    5,386.34x = 31,024,676.18
  5. Step 5: Solve for x
    x = 31,024,676.18/5,386.34
  6. Step 6: Final answer
    x = 5,759.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.