Home / 3,775.20-5,615.26-3,762.55

Finding the Fourth Proportional to 3,775.20, 5,615.26 and 3,762.55

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Solution

The fourth proportional to 3,775.20, 5,615.26 and 3,762.55 is: 5,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.20 : 5,615.26 = 3,762.55 : x
  2. Step 2: Convert to fraction form
    3,775.20/5,615.26 = 3,762.55/x
  3. Step 3: Cross multiply
    3,775.20x = 5,615.26 × 3,762.55
  4. Step 4: Simplify right side
    3,775.20x = 21,127,696.51
  5. Step 5: Solve for x
    x = 21,127,696.51/3,775.20
  6. Step 6: Final answer
    x = 5,596.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.