Home / 5,651.39-8,477.16-2,140.46

Finding the Fourth Proportional to 5,651.39, 8,477.16 and 2,140.46

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Solution

The fourth proportional to 5,651.39, 8,477.16 and 2,140.46 is: 3,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.39 : 8,477.16 = 2,140.46 : x
  2. Step 2: Convert to fraction form
    5,651.39/8,477.16 = 2,140.46/x
  3. Step 3: Cross multiply
    5,651.39x = 8,477.16 × 2,140.46
  4. Step 4: Simplify right side
    5,651.39x = 18,144,979.51
  5. Step 5: Solve for x
    x = 18,144,979.51/5,651.39
  6. Step 6: Final answer
    x = 3,210.71

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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.