Home / 8,145.27-12,210.29-2,877.33

Finding the Fourth Proportional to 8,145.27, 12,210.29 and 2,877.33

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Solution

The fourth proportional to 8,145.27, 12,210.29 and 2,877.33 is: 4,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.27 : 12,210.29 = 2,877.33 : x
  2. Step 2: Convert to fraction form
    8,145.27/12,210.29 = 2,877.33/x
  3. Step 3: Cross multiply
    8,145.27x = 12,210.29 × 2,877.33
  4. Step 4: Simplify right side
    8,145.27x = 35,133,032.01
  5. Step 5: Solve for x
    x = 35,133,032.01/8,145.27
  6. Step 6: Final answer
    x = 4,313.31

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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.