Home / 5,501.88-8,255.76-2,580.21

Finding the Fourth Proportional to 5,501.88, 8,255.76 and 2,580.21

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Solution

The fourth proportional to 5,501.88, 8,255.76 and 2,580.21 is: 3,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.88 : 8,255.76 = 2,580.21 : x
  2. Step 2: Convert to fraction form
    5,501.88/8,255.76 = 2,580.21/x
  3. Step 3: Cross multiply
    5,501.88x = 8,255.76 × 2,580.21
  4. Step 4: Simplify right side
    5,501.88x = 21,301,594.51
  5. Step 5: Solve for x
    x = 21,301,594.51/5,501.88
  6. Step 6: Final answer
    x = 3,871.69

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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.