Home / 5,621.50-7,758.21-3,525.22

Finding the Fourth Proportional to 5,621.50, 7,758.21 and 3,525.22

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Solution

The fourth proportional to 5,621.50, 7,758.21 and 3,525.22 is: 4,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.50 : 7,758.21 = 3,525.22 : x
  2. Step 2: Convert to fraction form
    5,621.50/7,758.21 = 3,525.22/x
  3. Step 3: Cross multiply
    5,621.50x = 7,758.21 × 3,525.22
  4. Step 4: Simplify right side
    5,621.50x = 27,349,397.06
  5. Step 5: Solve for x
    x = 27,349,397.06/5,621.50
  6. Step 6: Final answer
    x = 4,865.14

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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.