Home / 7,484.66-11,220.90-2,802.05

Finding the Fourth Proportional to 7,484.66, 11,220.90 and 2,802.05

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Solution

The fourth proportional to 7,484.66, 11,220.90 and 2,802.05 is: 4,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.66 : 11,220.90 = 2,802.05 : x
  2. Step 2: Convert to fraction form
    7,484.66/11,220.90 = 2,802.05/x
  3. Step 3: Cross multiply
    7,484.66x = 11,220.90 × 2,802.05
  4. Step 4: Simplify right side
    7,484.66x = 31,441,466.74
  5. Step 5: Solve for x
    x = 31,441,466.74/7,484.66
  6. Step 6: Final answer
    x = 4,200.79

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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.