Home / 7,161.41-10,739.55-2,480.16

Finding the Fourth Proportional to 7,161.41, 10,739.55 and 2,480.16

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Solution

The fourth proportional to 7,161.41, 10,739.55 and 2,480.16 is: 3,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.41 : 10,739.55 = 2,480.16 : x
  2. Step 2: Convert to fraction form
    7,161.41/10,739.55 = 2,480.16/x
  3. Step 3: Cross multiply
    7,161.41x = 10,739.55 × 2,480.16
  4. Step 4: Simplify right side
    7,161.41x = 26,635,800.77
  5. Step 5: Solve for x
    x = 26,635,800.77/7,161.41
  6. Step 6: Final answer
    x = 3,719.35

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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.