Home / 5,343.64-7,374.34-2,953.62

Finding the Fourth Proportional to 5,343.64, 7,374.34 and 2,953.62

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Solution

The fourth proportional to 5,343.64, 7,374.34 and 2,953.62 is: 4,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.64 : 7,374.34 = 2,953.62 : x
  2. Step 2: Convert to fraction form
    5,343.64/7,374.34 = 2,953.62/x
  3. Step 3: Cross multiply
    5,343.64x = 7,374.34 × 2,953.62
  4. Step 4: Simplify right side
    5,343.64x = 21,780,998.11
  5. Step 5: Solve for x
    x = 21,780,998.11/5,343.64
  6. Step 6: Final answer
    x = 4,076.06

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1.5x scale

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.