Home / 4,931.66-7,398.40-2,981.54

Finding the Fourth Proportional to 4,931.66, 7,398.40 and 2,981.54

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Solution

The fourth proportional to 4,931.66, 7,398.40 and 2,981.54 is: 4,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.66 : 7,398.40 = 2,981.54 : x
  2. Step 2: Convert to fraction form
    4,931.66/7,398.40 = 2,981.54/x
  3. Step 3: Cross multiply
    4,931.66x = 7,398.40 × 2,981.54
  4. Step 4: Simplify right side
    4,931.66x = 22,058,625.54
  5. Step 5: Solve for x
    x = 22,058,625.54/4,931.66
  6. Step 6: Final answer
    x = 4,472.86

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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.