Home / 9,828.80-14,730.40-4,563.20

Finding the Fourth Proportional to 9,828.80, 14,730.40 and 4,563.20

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Solution

The fourth proportional to 9,828.80, 14,730.40 and 4,563.20 is: 6,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.80 : 14,730.40 = 4,563.20 : x
  2. Step 2: Convert to fraction form
    9,828.80/14,730.40 = 4,563.20/x
  3. Step 3: Cross multiply
    9,828.80x = 14,730.40 × 4,563.20
  4. Step 4: Simplify right side
    9,828.80x = 67,217,761.28
  5. Step 5: Solve for x
    x = 67,217,761.28/9,828.80
  6. Step 6: Final answer
    x = 6,838.86

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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.