Home / 9,821.28-14,730.48-3,247.56

Finding the Fourth Proportional to 9,821.28, 14,730.48 and 3,247.56

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Solution

The fourth proportional to 9,821.28, 14,730.48 and 3,247.56 is: 4,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.28 : 14,730.48 = 3,247.56 : x
  2. Step 2: Convert to fraction form
    9,821.28/14,730.48 = 3,247.56/x
  3. Step 3: Cross multiply
    9,821.28x = 14,730.48 × 3,247.56
  4. Step 4: Simplify right side
    9,821.28x = 47,838,117.63
  5. Step 5: Solve for x
    x = 47,838,117.63/9,821.28
  6. Step 6: Final answer
    x = 4,870.86

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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.