Home / 5,072.22-6,999.65-2,803.55

Finding the Fourth Proportional to 5,072.22, 6,999.65 and 2,803.55

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Solution

The fourth proportional to 5,072.22, 6,999.65 and 2,803.55 is: 3,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.22 : 6,999.65 = 2,803.55 : x
  2. Step 2: Convert to fraction form
    5,072.22/6,999.65 = 2,803.55/x
  3. Step 3: Cross multiply
    5,072.22x = 6,999.65 × 2,803.55
  4. Step 4: Simplify right side
    5,072.22x = 19,623,830.25
  5. Step 5: Solve for x
    x = 19,623,830.25/5,072.22
  6. Step 6: Final answer
    x = 3,868.88

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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.