Home / 5,501.36-7,587.96-3,640.88

Finding the Fourth Proportional to 5,501.36, 7,587.96 and 3,640.88

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Solution

The fourth proportional to 5,501.36, 7,587.96 and 3,640.88 is: 5,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.36 : 7,587.96 = 3,640.88 : x
  2. Step 2: Convert to fraction form
    5,501.36/7,587.96 = 3,640.88/x
  3. Step 3: Cross multiply
    5,501.36x = 7,587.96 × 3,640.88
  4. Step 4: Simplify right side
    5,501.36x = 27,626,851.80
  5. Step 5: Solve for x
    x = 27,626,851.80/5,501.36
  6. Step 6: Final answer
    x = 5,021.82

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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.