Home / 4,076.45-5,628.12-2,802.45

Finding the Fourth Proportional to 4,076.45, 5,628.12 and 2,802.45

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Solution

The fourth proportional to 4,076.45, 5,628.12 and 2,802.45 is: 3,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.45 : 5,628.12 = 2,802.45 : x
  2. Step 2: Convert to fraction form
    4,076.45/5,628.12 = 2,802.45/x
  3. Step 3: Cross multiply
    4,076.45x = 5,628.12 × 2,802.45
  4. Step 4: Simplify right side
    4,076.45x = 15,772,524.89
  5. Step 5: Solve for x
    x = 15,772,524.89/4,076.45
  6. Step 6: Final answer
    x = 3,869.18

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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.