Home / 5,686.68-8,525.01-2,221.50

Finding the Fourth Proportional to 5,686.68, 8,525.01 and 2,221.50

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Solution

The fourth proportional to 5,686.68, 8,525.01 and 2,221.50 is: 3,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.68 : 8,525.01 = 2,221.50 : x
  2. Step 2: Convert to fraction form
    5,686.68/8,525.01 = 2,221.50/x
  3. Step 3: Cross multiply
    5,686.68x = 8,525.01 × 2,221.50
  4. Step 4: Simplify right side
    5,686.68x = 18,938,309.72
  5. Step 5: Solve for x
    x = 18,938,309.72/5,686.68
  6. Step 6: Final answer
    x = 3,330.29

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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.