Home / 6,109.16-9,161.91-1,725.44

Finding the Fourth Proportional to 6,109.16, 9,161.91 and 1,725.44

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Solution

The fourth proportional to 6,109.16, 9,161.91 and 1,725.44 is: 2,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.16 : 9,161.91 = 1,725.44 : x
  2. Step 2: Convert to fraction form
    6,109.16/9,161.91 = 1,725.44/x
  3. Step 3: Cross multiply
    6,109.16x = 9,161.91 × 1,725.44
  4. Step 4: Simplify right side
    6,109.16x = 15,808,280.18
  5. Step 5: Solve for x
    x = 15,808,280.18/6,109.16
  6. Step 6: Final answer
    x = 2,587.64

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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.