Home / 5,622.15-8,421.96-2,802.51

Finding the Fourth Proportional to 5,622.15, 8,421.96 and 2,802.51

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Solution

The fourth proportional to 5,622.15, 8,421.96 and 2,802.51 is: 4,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.15 : 8,421.96 = 2,802.51 : x
  2. Step 2: Convert to fraction form
    5,622.15/8,421.96 = 2,802.51/x
  3. Step 3: Cross multiply
    5,622.15x = 8,421.96 × 2,802.51
  4. Step 4: Simplify right side
    5,622.15x = 23,602,627.12
  5. Step 5: Solve for x
    x = 23,602,627.12/5,622.15
  6. Step 6: Final answer
    x = 4,198.15

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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.