Home / 4,909.03-7,363.64-1,987.36

Finding the Fourth Proportional to 4,909.03, 7,363.64 and 1,987.36

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Solution

The fourth proportional to 4,909.03, 7,363.64 and 1,987.36 is: 2,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.03 : 7,363.64 = 1,987.36 : x
  2. Step 2: Convert to fraction form
    4,909.03/7,363.64 = 1,987.36/x
  3. Step 3: Cross multiply
    4,909.03x = 7,363.64 × 1,987.36
  4. Step 4: Simplify right side
    4,909.03x = 14,634,190.15
  5. Step 5: Solve for x
    x = 14,634,190.15/4,909.03
  6. Step 6: Final answer
    x = 2,981.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.