Home / 5,575.51-8,366.49-2,115.19

Finding the Fourth Proportional to 5,575.51, 8,366.49 and 2,115.19

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Solution

The fourth proportional to 5,575.51, 8,366.49 and 2,115.19 is: 3,174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.51 : 8,366.49 = 2,115.19 : x
  2. Step 2: Convert to fraction form
    5,575.51/8,366.49 = 2,115.19/x
  3. Step 3: Cross multiply
    5,575.51x = 8,366.49 × 2,115.19
  4. Step 4: Simplify right side
    5,575.51x = 17,696,715.98
  5. Step 5: Solve for x
    x = 17,696,715.98/5,575.51
  6. Step 6: Final answer
    x = 3,174.01

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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.