Home / 5,519.84-8,283.36-5,074.88

Finding the Fourth Proportional to 5,519.84, 8,283.36 and 5,074.88

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Solution

The fourth proportional to 5,519.84, 8,283.36 and 5,074.88 is: 7,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.84 : 8,283.36 = 5,074.88 : x
  2. Step 2: Convert to fraction form
    5,519.84/8,283.36 = 5,074.88/x
  3. Step 3: Cross multiply
    5,519.84x = 8,283.36 × 5,074.88
  4. Step 4: Simplify right side
    5,519.84x = 42,037,058.00
  5. Step 5: Solve for x
    x = 42,037,058.00/5,519.84
  6. Step 6: Final answer
    x = 7,615.63

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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.