Home / 4,180.13-6,270.51-1,406.81

Finding the Fourth Proportional to 4,180.13, 6,270.51 and 1,406.81

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Solution

The fourth proportional to 4,180.13, 6,270.51 and 1,406.81 is: 2,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.13 : 6,270.51 = 1,406.81 : x
  2. Step 2: Convert to fraction form
    4,180.13/6,270.51 = 1,406.81/x
  3. Step 3: Cross multiply
    4,180.13x = 6,270.51 × 1,406.81
  4. Step 4: Simplify right side
    4,180.13x = 8,821,416.17
  5. Step 5: Solve for x
    x = 8,821,416.17/4,180.13
  6. Step 6: Final answer
    x = 2,110.32

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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.