Home / 5,609.94-8,415.84-2,101.19

Finding the Fourth Proportional to 5,609.94, 8,415.84 and 2,101.19

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Solution

The fourth proportional to 5,609.94, 8,415.84 and 2,101.19 is: 3,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.94 : 8,415.84 = 2,101.19 : x
  2. Step 2: Convert to fraction form
    5,609.94/8,415.84 = 2,101.19/x
  3. Step 3: Cross multiply
    5,609.94x = 8,415.84 × 2,101.19
  4. Step 4: Simplify right side
    5,609.94x = 17,683,236.77
  5. Step 5: Solve for x
    x = 17,683,236.77/5,609.94
  6. Step 6: Final answer
    x = 3,152.13

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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.