Home / 7,507.54-10,360.83-6,449.59

Finding the Fourth Proportional to 7,507.54, 10,360.83 and 6,449.59

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Solution

The fourth proportional to 7,507.54, 10,360.83 and 6,449.59 is: 8,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.54 : 10,360.83 = 6,449.59 : x
  2. Step 2: Convert to fraction form
    7,507.54/10,360.83 = 6,449.59/x
  3. Step 3: Cross multiply
    7,507.54x = 10,360.83 × 6,449.59
  4. Step 4: Simplify right side
    7,507.54x = 66,823,105.56
  5. Step 5: Solve for x
    x = 66,823,105.56/7,507.54
  6. Step 6: Final answer
    x = 8,900.80

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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.