Home / 5,020.21-7,530.98-1,857.22

Finding the Fourth Proportional to 5,020.21, 7,530.98 and 1,857.22

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Solution

The fourth proportional to 5,020.21, 7,530.98 and 1,857.22 is: 2,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.21 : 7,530.98 = 1,857.22 : x
  2. Step 2: Convert to fraction form
    5,020.21/7,530.98 = 1,857.22/x
  3. Step 3: Cross multiply
    5,020.21x = 7,530.98 × 1,857.22
  4. Step 4: Simplify right side
    5,020.21x = 13,986,690.19
  5. Step 5: Solve for x
    x = 13,986,690.19/5,020.21
  6. Step 6: Final answer
    x = 2,786.08

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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.