Home / 5,028.55-7,535.80-4,284.28

Finding the Fourth Proportional to 5,028.55, 7,535.80 and 4,284.28

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Solution

The fourth proportional to 5,028.55, 7,535.80 and 4,284.28 is: 6,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.55 : 7,535.80 = 4,284.28 : x
  2. Step 2: Convert to fraction form
    5,028.55/7,535.80 = 4,284.28/x
  3. Step 3: Cross multiply
    5,028.55x = 7,535.80 × 4,284.28
  4. Step 4: Simplify right side
    5,028.55x = 32,285,449.61
  5. Step 5: Solve for x
    x = 32,285,449.61/5,028.55
  6. Step 6: Final answer
    x = 6,420.43

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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.