Home / 5,180.95-7,152.11-3,055.76

Finding the Fourth Proportional to 5,180.95, 7,152.11 and 3,055.76

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Solution

The fourth proportional to 5,180.95, 7,152.11 and 3,055.76 is: 4,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.95 : 7,152.11 = 3,055.76 : x
  2. Step 2: Convert to fraction form
    5,180.95/7,152.11 = 3,055.76/x
  3. Step 3: Cross multiply
    5,180.95x = 7,152.11 × 3,055.76
  4. Step 4: Simplify right side
    5,180.95x = 21,855,116.37
  5. Step 5: Solve for x
    x = 21,855,116.37/5,180.95
  6. Step 6: Final answer
    x = 4,218.36

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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.