Home / 6,684.94-9,218.91-4,987.19

Finding the Fourth Proportional to 6,684.94, 9,218.91 and 4,987.19

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Solution

The fourth proportional to 6,684.94, 9,218.91 and 4,987.19 is: 6,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684.94 : 9,218.91 = 4,987.19 : x
  2. Step 2: Convert to fraction form
    6,684.94/9,218.91 = 4,987.19/x
  3. Step 3: Cross multiply
    6,684.94x = 9,218.91 × 4,987.19
  4. Step 4: Simplify right side
    6,684.94x = 45,976,455.76
  5. Step 5: Solve for x
    x = 45,976,455.76/6,684.94
  6. Step 6: Final answer
    x = 6,877.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.