Home / 5,505.16-8,259.09-2,580.05

Finding the Fourth Proportional to 5,505.16, 8,259.09 and 2,580.05

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Solution

The fourth proportional to 5,505.16, 8,259.09 and 2,580.05 is: 3,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.16 : 8,259.09 = 2,580.05 : x
  2. Step 2: Convert to fraction form
    5,505.16/8,259.09 = 2,580.05/x
  3. Step 3: Cross multiply
    5,505.16x = 8,259.09 × 2,580.05
  4. Step 4: Simplify right side
    5,505.16x = 21,308,852.25
  5. Step 5: Solve for x
    x = 21,308,852.25/5,505.16
  6. Step 6: Final answer
    x = 3,870.71

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1.5x scale

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.