Home / 6,555.25-9,043.68-4,318.30

Finding the Fourth Proportional to 6,555.25, 9,043.68 and 4,318.30

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Solution

The fourth proportional to 6,555.25, 9,043.68 and 4,318.30 is: 5,957.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.25 : 9,043.68 = 4,318.30 : x
  2. Step 2: Convert to fraction form
    6,555.25/9,043.68 = 4,318.30/x
  3. Step 3: Cross multiply
    6,555.25x = 9,043.68 × 4,318.30
  4. Step 4: Simplify right side
    6,555.25x = 39,053,323.34
  5. Step 5: Solve for x
    x = 39,053,323.34/6,555.25
  6. Step 6: Final answer
    x = 5,957.56

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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.