Home / 8,401.74-12,602.62-3,779.34

Finding the Fourth Proportional to 8,401.74, 12,602.62 and 3,779.34

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Solution

The fourth proportional to 8,401.74, 12,602.62 and 3,779.34 is: 5,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.74 : 12,602.62 = 3,779.34 : x
  2. Step 2: Convert to fraction form
    8,401.74/12,602.62 = 3,779.34/x
  3. Step 3: Cross multiply
    8,401.74x = 12,602.62 × 3,779.34
  4. Step 4: Simplify right side
    8,401.74x = 47,629,585.87
  5. Step 5: Solve for x
    x = 47,629,585.87/8,401.74
  6. Step 6: Final answer
    x = 5,669.01

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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.