Home / 6,909.39-10,368.17-2,751.35

Finding the Fourth Proportional to 6,909.39, 10,368.17 and 2,751.35

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Solution

The fourth proportional to 6,909.39, 10,368.17 and 2,751.35 is: 4,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.39 : 10,368.17 = 2,751.35 : x
  2. Step 2: Convert to fraction form
    6,909.39/10,368.17 = 2,751.35/x
  3. Step 3: Cross multiply
    6,909.39x = 10,368.17 × 2,751.35
  4. Step 4: Simplify right side
    6,909.39x = 28,526,398.93
  5. Step 5: Solve for x
    x = 28,526,398.93/6,909.39
  6. Step 6: Final answer
    x = 4,128.64

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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.