Home / 8,684.72-11,985.33-4,908.05

Finding the Fourth Proportional to 8,684.72, 11,985.33 and 4,908.05

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Solution

The fourth proportional to 8,684.72, 11,985.33 and 4,908.05 is: 6,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.72 : 11,985.33 = 4,908.05 : x
  2. Step 2: Convert to fraction form
    8,684.72/11,985.33 = 4,908.05/x
  3. Step 3: Cross multiply
    8,684.72x = 11,985.33 × 4,908.05
  4. Step 4: Simplify right side
    8,684.72x = 58,824,598.91
  5. Step 5: Solve for x
    x = 58,824,598.91/8,684.72
  6. Step 6: Final answer
    x = 6,773.34

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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.