Home / 8,354.09-12,502.13-5,190.23

Finding the Fourth Proportional to 8,354.09, 12,502.13 and 5,190.23

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Solution

The fourth proportional to 8,354.09, 12,502.13 and 5,190.23 is: 7,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.09 : 12,502.13 = 5,190.23 : x
  2. Step 2: Convert to fraction form
    8,354.09/12,502.13 = 5,190.23/x
  3. Step 3: Cross multiply
    8,354.09x = 12,502.13 × 5,190.23
  4. Step 4: Simplify right side
    8,354.09x = 64,888,930.19
  5. Step 5: Solve for x
    x = 64,888,930.19/8,354.09
  6. Step 6: Final answer
    x = 7,767.32

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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.