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Finding the Fourth Proportional to 5,347.87, 7,372.54 and 3,357.09

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Solution

The fourth proportional to 5,347.87, 7,372.54 and 3,357.09 is: 4,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.87 : 7,372.54 = 3,357.09 : x
  2. Step 2: Convert to fraction form
    5,347.87/7,372.54 = 3,357.09/x
  3. Step 3: Cross multiply
    5,347.87x = 7,372.54 × 3,357.09
  4. Step 4: Simplify right side
    5,347.87x = 24,750,280.31
  5. Step 5: Solve for x
    x = 24,750,280.31/5,347.87
  6. Step 6: Final answer
    x = 4,628.06

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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.