Home / 5,421.24-7,480.50-3,063.36

Finding the Fourth Proportional to 5,421.24, 7,480.50 and 3,063.36

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Solution

The fourth proportional to 5,421.24, 7,480.50 and 3,063.36 is: 4,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.24 : 7,480.50 = 3,063.36 : x
  2. Step 2: Convert to fraction form
    5,421.24/7,480.50 = 3,063.36/x
  3. Step 3: Cross multiply
    5,421.24x = 7,480.50 × 3,063.36
  4. Step 4: Simplify right side
    5,421.24x = 22,915,464.48
  5. Step 5: Solve for x
    x = 22,915,464.48/5,421.24
  6. Step 6: Final answer
    x = 4,226.98

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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.