Home / 5,356.51-7,392.08-2,998.64

Finding the Fourth Proportional to 5,356.51, 7,392.08 and 2,998.64

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Solution

The fourth proportional to 5,356.51, 7,392.08 and 2,998.64 is: 4,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.51 : 7,392.08 = 2,998.64 : x
  2. Step 2: Convert to fraction form
    5,356.51/7,392.08 = 2,998.64/x
  3. Step 3: Cross multiply
    5,356.51x = 7,392.08 × 2,998.64
  4. Step 4: Simplify right side
    5,356.51x = 22,166,186.77
  5. Step 5: Solve for x
    x = 22,166,186.77/5,356.51
  6. Step 6: Final answer
    x = 4,138.18

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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.