Home / 5,180.74-7,771.38-1,483.51

Finding the Fourth Proportional to 5,180.74, 7,771.38 and 1,483.51

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Solution

The fourth proportional to 5,180.74, 7,771.38 and 1,483.51 is: 2,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.74 : 7,771.38 = 1,483.51 : x
  2. Step 2: Convert to fraction form
    5,180.74/7,771.38 = 1,483.51/x
  3. Step 3: Cross multiply
    5,180.74x = 7,771.38 × 1,483.51
  4. Step 4: Simplify right side
    5,180.74x = 11,528,919.94
  5. Step 5: Solve for x
    x = 11,528,919.94/5,180.74
  6. Step 6: Final answer
    x = 2,225.34

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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.