Home / 5,384.81-7,430.91-2,994.79

Finding the Fourth Proportional to 5,384.81, 7,430.91 and 2,994.79

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Solution

The fourth proportional to 5,384.81, 7,430.91 and 2,994.79 is: 4,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.81 : 7,430.91 = 2,994.79 : x
  2. Step 2: Convert to fraction form
    5,384.81/7,430.91 = 2,994.79/x
  3. Step 3: Cross multiply
    5,384.81x = 7,430.91 × 2,994.79
  4. Step 4: Simplify right side
    5,384.81x = 22,253,999.08
  5. Step 5: Solve for x
    x = 22,253,999.08/5,384.81
  6. Step 6: Final answer
    x = 4,132.73

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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.