Home / 7,284.40-10,923-3,386.32

Finding the Fourth Proportional to 7,284.40, 10,923 and 3,386.32

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Solution

The fourth proportional to 7,284.40, 10,923 and 3,386.32 is: 5,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.40 : 10,923 = 3,386.32 : x
  2. Step 2: Convert to fraction form
    7,284.40/10,923 = 3,386.32/x
  3. Step 3: Cross multiply
    7,284.40x = 10,923 × 3,386.32
  4. Step 4: Simplify right side
    7,284.40x = 36,988,773.36
  5. Step 5: Solve for x
    x = 36,988,773.36/7,284.40
  6. Step 6: Final answer
    x = 5,077.81

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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.