Home / 5,314.05-7,970.22-3,339.81

Finding the Fourth Proportional to 5,314.05, 7,970.22 and 3,339.81

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Solution

The fourth proportional to 5,314.05, 7,970.22 and 3,339.81 is: 5,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.05 : 7,970.22 = 3,339.81 : x
  2. Step 2: Convert to fraction form
    5,314.05/7,970.22 = 3,339.81/x
  3. Step 3: Cross multiply
    5,314.05x = 7,970.22 × 3,339.81
  4. Step 4: Simplify right side
    5,314.05x = 26,619,020.46
  5. Step 5: Solve for x
    x = 26,619,020.46/5,314.05
  6. Step 6: Final answer
    x = 5,009.18

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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.