Home / 5,006.25-6,909.03-2,910.78

Finding the Fourth Proportional to 5,006.25, 6,909.03 and 2,910.78

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Solution

The fourth proportional to 5,006.25, 6,909.03 and 2,910.78 is: 4,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.25 : 6,909.03 = 2,910.78 : x
  2. Step 2: Convert to fraction form
    5,006.25/6,909.03 = 2,910.78/x
  3. Step 3: Cross multiply
    5,006.25x = 6,909.03 × 2,910.78
  4. Step 4: Simplify right side
    5,006.25x = 20,110,666.34
  5. Step 5: Solve for x
    x = 20,110,666.34/5,006.25
  6. Step 6: Final answer
    x = 4,017.11

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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.