Home / 6,623.43-9,139.60-5,296.65

Finding the Fourth Proportional to 6,623.43, 9,139.60 and 5,296.65

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Solution

The fourth proportional to 6,623.43, 9,139.60 and 5,296.65 is: 7,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.43 : 9,139.60 = 5,296.65 : x
  2. Step 2: Convert to fraction form
    6,623.43/9,139.60 = 5,296.65/x
  3. Step 3: Cross multiply
    6,623.43x = 9,139.60 × 5,296.65
  4. Step 4: Simplify right side
    6,623.43x = 48,409,262.34
  5. Step 5: Solve for x
    x = 48,409,262.34/6,623.43
  6. Step 6: Final answer
    x = 7,308.79

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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.