Home / 4,677.72-6,455.98-2,909.90

Finding the Fourth Proportional to 4,677.72, 6,455.98 and 2,909.90

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Solution

The fourth proportional to 4,677.72, 6,455.98 and 2,909.90 is: 4,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.72 : 6,455.98 = 2,909.90 : x
  2. Step 2: Convert to fraction form
    4,677.72/6,455.98 = 2,909.90/x
  3. Step 3: Cross multiply
    4,677.72x = 6,455.98 × 2,909.90
  4. Step 4: Simplify right side
    4,677.72x = 18,786,256.20
  5. Step 5: Solve for x
    x = 18,786,256.20/4,677.72
  6. Step 6: Final answer
    x = 4,016.11

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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.