Home / 4,991.79-7,487.71-2,358.45

Finding the Fourth Proportional to 4,991.79, 7,487.71 and 2,358.45

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Solution

The fourth proportional to 4,991.79, 7,487.71 and 2,358.45 is: 3,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.79 : 7,487.71 = 2,358.45 : x
  2. Step 2: Convert to fraction form
    4,991.79/7,487.71 = 2,358.45/x
  3. Step 3: Cross multiply
    4,991.79x = 7,487.71 × 2,358.45
  4. Step 4: Simplify right side
    4,991.79x = 17,659,383.75
  5. Step 5: Solve for x
    x = 17,659,383.75/4,991.79
  6. Step 6: Final answer
    x = 3,537.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.