Home / 5,669.40-8,512.20-4,438.20

Finding the Fourth Proportional to 5,669.40, 8,512.20 and 4,438.20

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Solution

The fourth proportional to 5,669.40, 8,512.20 and 4,438.20 is: 6,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.40 : 8,512.20 = 4,438.20 : x
  2. Step 2: Convert to fraction form
    5,669.40/8,512.20 = 4,438.20/x
  3. Step 3: Cross multiply
    5,669.40x = 8,512.20 × 4,438.20
  4. Step 4: Simplify right side
    5,669.40x = 37,778,846.04
  5. Step 5: Solve for x
    x = 37,778,846.04/5,669.40
  6. Step 6: Final answer
    x = 6,663.64

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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.