Home / 4,661.54-6,430.10-2,982.36

Finding the Fourth Proportional to 4,661.54, 6,430.10 and 2,982.36

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Solution

The fourth proportional to 4,661.54, 6,430.10 and 2,982.36 is: 4,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.54 : 6,430.10 = 2,982.36 : x
  2. Step 2: Convert to fraction form
    4,661.54/6,430.10 = 2,982.36/x
  3. Step 3: Cross multiply
    4,661.54x = 6,430.10 × 2,982.36
  4. Step 4: Simplify right side
    4,661.54x = 19,176,880.49
  5. Step 5: Solve for x
    x = 19,176,880.49/4,661.54
  6. Step 6: Final answer
    x = 4,113.85

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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.