Home / 8,685.36-11,985.17-4,908.33

Finding the Fourth Proportional to 8,685.36, 11,985.17 and 4,908.33

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Solution

The fourth proportional to 8,685.36, 11,985.17 and 4,908.33 is: 6,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.36 : 11,985.17 = 4,908.33 : x
  2. Step 2: Convert to fraction form
    8,685.36/11,985.17 = 4,908.33/x
  3. Step 3: Cross multiply
    8,685.36x = 11,985.17 × 4,908.33
  4. Step 4: Simplify right side
    8,685.36x = 58,827,144.92
  5. Step 5: Solve for x
    x = 58,827,144.92/8,685.36
  6. Step 6: Final answer
    x = 6,773.14

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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.