Home / 7,845.31-10,825.95-4,308.76

Finding the Fourth Proportional to 7,845.31, 10,825.95 and 4,308.76

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Solution

The fourth proportional to 7,845.31, 10,825.95 and 4,308.76 is: 5,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.31 : 10,825.95 = 4,308.76 : x
  2. Step 2: Convert to fraction form
    7,845.31/10,825.95 = 4,308.76/x
  3. Step 3: Cross multiply
    7,845.31x = 10,825.95 × 4,308.76
  4. Step 4: Simplify right side
    7,845.31x = 46,646,420.32
  5. Step 5: Solve for x
    x = 46,646,420.32/7,845.31
  6. Step 6: Final answer
    x = 5,945.77

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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.