Home / 5,346.96-7,379.15-2,989.28

Finding the Fourth Proportional to 5,346.96, 7,379.15 and 2,989.28

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Solution

The fourth proportional to 5,346.96, 7,379.15 and 2,989.28 is: 4,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.96 : 7,379.15 = 2,989.28 : x
  2. Step 2: Convert to fraction form
    5,346.96/7,379.15 = 2,989.28/x
  3. Step 3: Cross multiply
    5,346.96x = 7,379.15 × 2,989.28
  4. Step 4: Simplify right side
    5,346.96x = 22,058,293.67
  5. Step 5: Solve for x
    x = 22,058,293.67/5,346.96
  6. Step 6: Final answer
    x = 4,125.39

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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.