Home / 5,112.54-7,053.47-3,345.17

Finding the Fourth Proportional to 5,112.54, 7,053.47 and 3,345.17

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Solution

The fourth proportional to 5,112.54, 7,053.47 and 3,345.17 is: 4,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.54 : 7,053.47 = 3,345.17 : x
  2. Step 2: Convert to fraction form
    5,112.54/7,053.47 = 3,345.17/x
  3. Step 3: Cross multiply
    5,112.54x = 7,053.47 × 3,345.17
  4. Step 4: Simplify right side
    5,112.54x = 23,595,056.24
  5. Step 5: Solve for x
    x = 23,595,056.24/5,112.54
  6. Step 6: Final answer
    x = 4,615.13

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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.