Home / 5,204.15-7,802.42-1,917.30

Finding the Fourth Proportional to 5,204.15, 7,802.42 and 1,917.30

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Solution

The fourth proportional to 5,204.15, 7,802.42 and 1,917.30 is: 2,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.15 : 7,802.42 = 1,917.30 : x
  2. Step 2: Convert to fraction form
    5,204.15/7,802.42 = 1,917.30/x
  3. Step 3: Cross multiply
    5,204.15x = 7,802.42 × 1,917.30
  4. Step 4: Simplify right side
    5,204.15x = 14,959,570.28
  5. Step 5: Solve for x
    x = 14,959,570.28/5,204.15
  6. Step 6: Final answer
    x = 2,874.55

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1.5x scale

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.