Home / 7,875.36-10,867.59-4,338.49

Finding the Fourth Proportional to 7,875.36, 10,867.59 and 4,338.49

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Solution

The fourth proportional to 7,875.36, 10,867.59 and 4,338.49 is: 5,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.36 : 10,867.59 = 4,338.49 : x
  2. Step 2: Convert to fraction form
    7,875.36/10,867.59 = 4,338.49/x
  3. Step 3: Cross multiply
    7,875.36x = 10,867.59 × 4,338.49
  4. Step 4: Simplify right side
    7,875.36x = 47,148,930.54
  5. Step 5: Solve for x
    x = 47,148,930.54/7,875.36
  6. Step 6: Final answer
    x = 5,986.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.