Home / 4,920.18-6,787.92-3,242.49

Finding the Fourth Proportional to 4,920.18, 6,787.92 and 3,242.49

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Solution

The fourth proportional to 4,920.18, 6,787.92 and 3,242.49 is: 4,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.18 : 6,787.92 = 3,242.49 : x
  2. Step 2: Convert to fraction form
    4,920.18/6,787.92 = 3,242.49/x
  3. Step 3: Cross multiply
    4,920.18x = 6,787.92 × 3,242.49
  4. Step 4: Simplify right side
    4,920.18x = 22,009,762.72
  5. Step 5: Solve for x
    x = 22,009,762.72/4,920.18
  6. Step 6: Final answer
    x = 4,473.37

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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.