Home / 9,160.43-13,740.67-3,315.68

Finding the Fourth Proportional to 9,160.43, 13,740.67 and 3,315.68

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Solution

The fourth proportional to 9,160.43, 13,740.67 and 3,315.68 is: 4,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.43 : 13,740.67 = 3,315.68 : x
  2. Step 2: Convert to fraction form
    9,160.43/13,740.67 = 3,315.68/x
  3. Step 3: Cross multiply
    9,160.43x = 13,740.67 × 3,315.68
  4. Step 4: Simplify right side
    9,160.43x = 45,559,664.71
  5. Step 5: Solve for x
    x = 45,559,664.71/9,160.43
  6. Step 6: Final answer
    x = 4,973.53

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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.