Home / 5,075.28-7,615.80-1,999.44

Finding the Fourth Proportional to 5,075.28, 7,615.80 and 1,999.44

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Solution

The fourth proportional to 5,075.28, 7,615.80 and 1,999.44 is: 3,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.28 : 7,615.80 = 1,999.44 : x
  2. Step 2: Convert to fraction form
    5,075.28/7,615.80 = 1,999.44/x
  3. Step 3: Cross multiply
    5,075.28x = 7,615.80 × 1,999.44
  4. Step 4: Simplify right side
    5,075.28x = 15,227,335.15
  5. Step 5: Solve for x
    x = 15,227,335.15/5,075.28
  6. Step 6: Final answer
    x = 3,000.29

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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.