Home / 5,135.94-7,088.31-3,807.54

Finding the Fourth Proportional to 5,135.94, 7,088.31 and 3,807.54

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Solution

The fourth proportional to 5,135.94, 7,088.31 and 3,807.54 is: 5,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.94 : 7,088.31 = 3,807.54 : x
  2. Step 2: Convert to fraction form
    5,135.94/7,088.31 = 3,807.54/x
  3. Step 3: Cross multiply
    5,135.94x = 7,088.31 × 3,807.54
  4. Step 4: Simplify right side
    5,135.94x = 26,989,023.86
  5. Step 5: Solve for x
    x = 26,989,023.86/5,135.94
  6. Step 6: Final answer
    x = 5,254.93

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Why These Related Problems?

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