Home / 4,140.27-6,210.51-1,218.66

Finding the Fourth Proportional to 4,140.27, 6,210.51 and 1,218.66

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Solution

The fourth proportional to 4,140.27, 6,210.51 and 1,218.66 is: 1,828.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.27 : 6,210.51 = 1,218.66 : x
  2. Step 2: Convert to fraction form
    4,140.27/6,210.51 = 1,218.66/x
  3. Step 3: Cross multiply
    4,140.27x = 6,210.51 × 1,218.66
  4. Step 4: Simplify right side
    4,140.27x = 7,568,500.12
  5. Step 5: Solve for x
    x = 7,568,500.12/4,140.27
  6. Step 6: Final answer
    x = 1,828.02

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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.