Home / 5,310.21-7,328.50-2,952.51

Finding the Fourth Proportional to 5,310.21, 7,328.50 and 2,952.51

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Solution

The fourth proportional to 5,310.21, 7,328.50 and 2,952.51 is: 4,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.21 : 7,328.50 = 2,952.51 : x
  2. Step 2: Convert to fraction form
    5,310.21/7,328.50 = 2,952.51/x
  3. Step 3: Cross multiply
    5,310.21x = 7,328.50 × 2,952.51
  4. Step 4: Simplify right side
    5,310.21x = 21,637,469.54
  5. Step 5: Solve for x
    x = 21,637,469.54/5,310.21
  6. Step 6: Final answer
    x = 4,074.69

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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.